{"id":"BIT-node-min-2021-3450","revision":null,"records":[{"revision":"8fa9f49f3919427fbf7e1c0dd04af3c7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-3450","aliases":[],"title":"CA certificate check bypass with X509_V_FLAG_X509_STRICT","description":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).","state":0,"publishedAt":"2021-03-25T14:25:14.287+00:00","modifiedAt":"2026-10-08T21:03:32.498+00:00","affected":[{"ecosystem":"Vendor product","name":"OpenSSL","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"OpenSSL\",\n                    \"vendor\": \"OpenSSL\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j)\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://www.openssl.org/news/secadv/20210325.txt","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd","http://www.openwall.com/lists/oss-security/2021/03/27/1","http://www.openwall.com/lists/oss-security/2021/03/27/2","http://www.openwall.com/lists/oss-security/2021/03/28/3","http://www.openwall.com/lists/oss-security/2021/03/28/4","https://security.gentoo.org/glsa/202103-03","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.tenable.com/security/tns-2021-09","https://security.netapp.com/advisory/ntap-20210326-0006/","https://security.freebsd.org/advisories/FreeBSD-SA-21:07.openssl.asc","https://www.tenable.com/security/tns-2021-05","https://kc.mcafee.com/corporate/index?page=content&id=SB10356","https://www.tenable.com/security/tns-2021-08","https://mta.openssl.org/pipermail/openssl-announce/2021-March/000198.html","https://www.oracle.com//security-alerts/cpujul2021.html","https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://www.oracle.com/security-alerts/cpujul2022.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-3450","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-3450","identifiers":["CVE-2021-3450"]},"retained":false,"historicalAffected":[]},{"revision":"530ab279380e4a34afcaca3e4f569664","observedAt":"2026-11-09T22:13:29.367+00:00","statement":{"source":"euvd","id":"EUVD-2021-1641","aliases":["CVE-2021-3450","GHSA-8hfj-xrj2-pm22"],"title":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have e…","description":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[],"references":["https://www.openssl.org/news/secadv/20210325.txt","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd","http://www.openwall.com/lists/oss-security/2021/03/27/1","http://www.openwall.com/lists/oss-security/2021/03/27/2","http://www.openwall.com/lists/oss-security/2021/03/28/3","http://www.openwall.com/lists/oss-security/2021/03/28/4","https://security.gentoo.org/glsa/202103-03","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.tenable.com/security/tns-2021-09","https://security.netapp.com/advisory/ntap-20210326-0006/","https://security.freebsd.org/advisories/FreeBSD-SA-21:07.openssl.asc","https://www.tenable.com/security/tns-2021-05","https://kc.mcafee.com/corporate/index?page=content&id=SB10356","https://www.tenable.com/security/tns-2021-08","https://mta.openssl.org/pipermail/openssl-announce/2021-March/000198.html","https://www.oracle.com//security-alerts/cpujul2021.html","https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://www.oracle.com/security-alerts/cpujul2022.html"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-1641","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Mar 25, 2021, 2:25:14 PM","dateUpdated":"Oct 8, 2026, 9:03:32 PM"},"relatedAdvisories":[{"id":"RHSA-2021:1189","title":"Red Hat Security Advisory: Red Hat Virtualization security, bug fix, and enhancement update","vulnerabilityIds":["CVE-2021-3449","CVE-2021-3450"]},{"id":"SUSE-SU-2021:2326-1","title":"Security update for nodejs12","vulnerabilityIds":["CVE-2020-7774","CVE-2021-22918","CVE-2021-23362","CVE-2021-27290","CVE-2021-3449","CVE-2021-3450"]},{"id":"RHSA-2021:1024","title":"Red Hat Security Advisory: openssl security update","vulnerabilityIds":["CVE-2021-3449","CVE-2021-3450"]},{"id":"SUSE-SU-2021:2353-1","title":"Security update for nodejs10","vulnerabilityIds":["CVE-2020-7774","CVE-2021-22918","CVE-2021-23362","CVE-2021-27290","CVE-2021-3449","CVE-2021-3450"]},{"id":"ICSA-22-069-09","title":"Siemens SINEC 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Hat Security Advisory: Red Hat JBoss Web Server 5.4.2 Security Update","vulnerabilityIds":["CVE-2021-3449","CVE-2021-3450"]},{"id":"WID-SEC-W-2023-0065","title":"Oracle MySQL: Mehrere 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nodejs10","vulnerabilityIds":["CVE-2020-7774","CVE-2021-22918","CVE-2021-23362","CVE-2021-27290","CVE-2021-3449","CVE-2021-3450"]},{"id":"SUSE-SU-2021:2327-1","title":"Security update for nodejs12","vulnerabilityIds":["CVE-2020-7774","CVE-2021-22918","CVE-2021-23362","CVE-2021-27290","CVE-2021-3449","CVE-2021-3450"]},{"id":"WID-SEC-W-2022-1303","title":"Oracle Java SE: Mehrere Schwachstellen","vulnerabilityIds":["CVE-2021-2161","CVE-2021-2163","CVE-2021-23841","CVE-2021-3450"]},{"id":"openSUSE-SU-2021:2327-1","title":"Security update for nodejs12","vulnerabilityIds":["CVE-2020-7774","CVE-2021-22918","CVE-2021-23362","CVE-2021-27290","CVE-2021-3449","CVE-2021-3450"]},{"id":"SSA-389290","title":"SSA-389290: Third-Party Component Vulnerabilities in SINEC INS","vulnerabilityIds":["CVE-2019-19242","CVE-2019-19244","CVE-2019-19317","CVE-2019-19603","CVE-2019-19645","CVE-2019-19646","CVE-2019-19880","CVE-2019-19923","CVE-2019-19924","CVE-2019-19925","CVE-2019-19926","CVE-2020-1971","CVE-2020-7774","CVE-2020-8169","CVE-2020-8177","CVE-2020-8231","CVE-2020-8265","CVE-2020-8284","CVE-2020-8285","CVE-2020-8286","CVE-2020-8287","CVE-2020-8625","CVE-2020-9327","CVE-2020-11655","CVE-2020-11656","CVE-2020-13630","CVE-2020-13631","CVE-2020-13632","CVE-2020-13871","CVE-2020-15358","CVE-2020-27304","CVE-2021-3449","CVE-2021-3450","CVE-2021-3672","CVE-2021-3711","CVE-2021-3712","CVE-2021-22876","CVE-2021-22883","CVE-2021-22884","CVE-2021-22890","CVE-2021-22897","CVE-2021-22898","CVE-2021-22901","CVE-2021-22918","CVE-2021-22921","CVE-2021-22922","CVE-2021-22923","CVE-2021-22924","CVE-2021-22925","CVE-2021-22926","CVE-2021-22930","CVE-2021-22931","CVE-2021-22939","CVE-2021-22940","CVE-2021-22945","CVE-2021-22946","CVE-2021-22947","CVE-2021-23362","CVE-2021-23840","CVE-2021-25214","CVE-2021-25215","CVE-2021-25216","CVE-2021-25219","CVE-2021-27290","CVE-2021-32803","CVE-2021-32804","CVE-2021-37701","CVE-2021-37712","CVE-2021-37713","CVE-2021-39134","CVE-2021-39135"]},{"id":"WID-SEC-W-2024-0794","title":"Dell 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 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Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2021-1641","identifiers":["EUVD-2021-1641","CVE-2021-3450","GHSA-8hfj-xrj2-pm22"]},"retained":false,"historicalAffected":[]},{"revision":"d24ae362ddec4376987af302c73de272","observedAt":"2026-10-24T18:17:33.371+00:00","statement":{"source":"nvd","id":"CVE-2021-3450","aliases":[],"title":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have e…","description":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).","state":0,"publishedAt":"2021-03-25T15:15:13.56+00:00","modifiedAt":"2026-10-08T21:17:40.07+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":7.4,"severity":"HIGH"},{"system":"CVSS 2.0 · nvd@nist.gov · Primary","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","score":5.8,"severity":"MEDIUM"}],"references":["http://www.openwall.com/lists/oss-security/2021/03/27/1","http://www.openwall.com/lists/oss-security/2021/03/27/2","http://www.openwall.com/lists/oss-security/2021/03/28/3","http://www.openwall.com/lists/oss-security/2021/03/28/4","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b","https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845","https://kc.mcafee.com/corporate/index?page=content&id=SB10356","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP/","https://mta.openssl.org/pipermail/openssl-announce/2021-March/000198.html","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013","https://security.freebsd.org/advisories/FreeBSD-SA-21:07.openssl.asc","https://security.gentoo.org/glsa/202103-03","https://security.netapp.com/advisory/ntap-20210326-0006/","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd","https://www.openssl.org/news/secadv/20210325.txt","https://www.oracle.com//security-alerts/cpujul2021.html","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpujul2022.html","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.tenable.com/security/tns-2021-05","https://www.tenable.com/security/tns-2021-08","https://www.tenable.com/security/tns-2021-09"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-3450","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Modified","weaknesses":["CWE-295"],"productCriteria":["cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:*","cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:*","cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:*","cpe:2.3:o:netapp:santricity_smi-s_provider_firmware:-:*:*:*:*:*:*:*","cpe:2.3:h:netapp:santricity_smi-s_provider:-:*:*:*:*:*:*:*","cpe:2.3:o:netapp:storagegrid_firmware:-:*:*:*:*:*:*:*","cpe:2.3:h:netapp:storagegrid:-:*:*:*:*:*:*:*","cpe:2.3:o:windriver:linux:-:*:*:*:cd:*:*:*","cpe:2.3:o:windriver:linux:17.0:*:*:*:lts:*:*:*","cpe:2.3:o:windriver:linux:18.0:*:*:*:lts:*:*:*","cpe:2.3:o:windriver:linux:19.0:*:*:*:lts:*:*:*","cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:*","cpe:2.3:a:netapp:oncommand_workflow_automation:-:*:*:*:*:*:*:*","cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*","cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_agent:*:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_network_monitor:5.11.0:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_network_monitor:5.11.1:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_network_monitor:5.12.0:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_network_monitor:5.12.1:*:*:*:*:*:*:*","cpe:2.3:a:tenable:nessus_network_monitor:5.13.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:commerce_guided_search:11.3.2:*:*:*:*:*:*:*","cpe:2.3:a:oracle:enterprise_manager_for_storage_management:13.4.0.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:graalvm:19.3.5:*:*:*:enterprise:*:*:*","cpe:2.3:a:oracle:graalvm:20.3.1.2:*:*:*:enterprise:*:*:*","cpe:2.3:a:oracle:graalvm:21.0.0.2:*:*:*:enterprise:*:*:*","cpe:2.3:a:oracle:jd_edwards_enterpriseone_tools:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:jd_edwards_world_security:a9.4:*:*:*:*:*:*:*","cpe:2.3:a:oracle:mysql_connectors:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:mysql_enterprise_monitor:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:mysql_server:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:mysql_workbench:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:secure_backup:*:*:*:*:*:*:*:*","cpe:2.3:a:oracle:secure_global_desktop:5.6:*:*:*:*:*:*:*","cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*","cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway:8.2.19:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway:9.2.10:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway:10.1.1:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway_cloud_service:8.2.19:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway_cloud_service:9.2.10:*:*:*:*:*:*:*","cpe:2.3:a:mcafee:web_gateway_cloud_service:10.1.1:*:*:*:*:*:*:*","cpe:2.3:o:sonicwall:sma100_firmware:*:*:*:*:*:*:*:*","cpe:2.3:h:sonicwall:sma100:-:*:*:*:*:*:*:*","cpe:2.3:a:sonicwall:capture_client:*:*:*:*:*:*:*:*","cpe:2.3:a:sonicwall:email_security:*:*:*:*:*:*:*:*","cpe:2.3:o:sonicwall:sonicos:*:*:*:*:*:*:*:*","cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*"],"sourceDates":{"published":"2021-03-25T15:15:13.560","lastModified":"2026-10-08T21:17:40.070"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2021-3450","identifiers":["CVE-2021-3450"]},"retained":false,"historicalAffected":[]},{"revision":"356446a20d9d410989593542242383d1","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"GHSA-8hfj-xrj2-pm22","aliases":["BIT-node-2021-3450","BIT-node-min-2021-3450","CVE-2021-3450","RUSTSEC-2021-0056"],"title":"Certificate check bypass in openssl-src","description":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the certificates present in a certificate chain. It is not set by default. Starting from OpenSSL version 1.1.1h a check to disallow certificates in the chain that have explicitly encoded elliptic curve parameters was added as an additional strict check. An error in the implementation of this check meant that the result of a previous check to confirm that certificates in the chain are valid CA certificates was overwritten. This effectively bypasses the check that non-CA certificates must not be able to issue other certificates. If a \"purpose\" has been configured then there is a subsequent opportunity for checks that the certificate is a valid CA. All of the named \"purpose\" values implemented in libcrypto perform this check. Therefore, where a purpose is set the certificate chain will still be rejected even when the strict flag has been used. A purpose is set by default in libssl client and server certificate verification routines, but it can be overridden or removed by an application. In order to be affected, an application must explicitly set the X509_V_FLAG_X509_STRICT verification flag and either not set a purpose for the certificate verification or, in the case of TLS client or server applications, override the default purpose. OpenSSL versions 1.1.1h and newer are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1k. OpenSSL 1.0.2 is not impacted by this issue. Fixed in OpenSSL 1.1.1k (Affected 1.1.1h-1.1.1j).","state":0,"publishedAt":"2021-08-25T20:54:00+00:00","modifiedAt":"2024-12-16T15:27:14.677621+00:00","affected":[{"ecosystem":"crates.io","name":"openssl-src","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"111.11.0"},{"kind":"fixed","version":"111.15.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"HIGH"}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-3450","https://www.tenable.com/security/tns-2021-09","https://www.tenable.com/security/tns-2021-08","https://www.tenable.com/security/tns-2021-05","https://www.oracle.com/security-alerts/cpuoct2021.html","https://www.oracle.com/security-alerts/cpujul2022.html","https://www.oracle.com/security-alerts/cpuapr2022.html","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.oracle.com//security-alerts/cpujul2021.html","https://www.openssl.org/news/secadv/20210325.txt","https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-openssl-2021-GHY28dJd","https://security.netapp.com/advisory/ntap-20210326-0006","https://security.gentoo.org/glsa/202103-03","https://security.freebsd.org/advisories/FreeBSD-SA-21:07.openssl.asc","https://rustsec.org/advisories/RUSTSEC-2021-0056.html","https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2021-0013","https://mta.openssl.org/pipermail/openssl-announce/2021-March/000198.html","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CCBFLLVQVILIVGZMBJL3IXZGKWQISYNP","https://kc.mcafee.com/corporate/index?page=content&id=SB10356","https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44845","https://github.com/alexcrichton/openssl-src-rs","https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=2a40b7bc7b94dd7de897a74571e7024f0cf0d63b","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","http://www.openwall.com/lists/oss-security/2021/03/27/1","http://www.openwall.com/lists/oss-security/2021/03/27/2","http://www.openwall.com/lists/oss-security/2021/03/28/3","http://www.openwall.com/lists/oss-security/2021/03/28/4"],"sourceUrl":"https://github.com/advisories/GHSA-8hfj-xrj2-pm22","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-8hfj-xrj2-pm22","identifiers":["GHSA-8hfj-xrj2-pm22","BIT-node-2021-3450","BIT-node-min-2021-3450","CVE-2021-3450","RUSTSEC-2021-0056"]},"retained":false,"historicalAffected":[]},{"revision":"efb58cfa4d7e4e9aa772910ae16de651","observedAt":"2026-10-24T13:19:54.901+00:00","statement":{"source":"osv","id":"RUSTSEC-2021-0056","aliases":["BIT-node-2021-3450","BIT-node-min-2021-3450","CVE-2021-3450","GHSA-8hfj-xrj2-pm22"],"title":"CA certificate check bypass with X509_V_FLAG_X509_STRICT","description":"The X509_V_FLAG_X509_STRICT flag enables additional security checks of the\ncertificates present in a certificate chain. It is not set by default.\n\nStarting from OpenSSL version 1.1.1h a check to disallow certificates in\nthe chain that have explicitly encoded elliptic curve parameters was added\nas an additional strict check.\n\nAn error in the implementation of this check meant that the result of a\nprevious check to confirm that certificates in the chain are valid CA\ncertificates was overwritten. This effectively bypasses the check\nthat non-CA certificates must not be able to issue other certificates.\n\nIf a \"purpose\" has been configured then there is a subsequent opportunity\nfor checks that the certificate is a valid CA.  All of the named \"purpose\"\nvalues implemented in libcrypto perform this check.  Therefore, where\na purpose is set the certificate chain will still be rejected even when the\nstrict flag has been used. A purpose is set by default in libssl client and\nserver certificate verification routines, but it can be overridden or\nremoved by an application.\n\nIn order to be affected, an application must explicitly set the\nX509_V_FLAG_X509_STRICT verification flag and either not set a purpose\nfor the certificate verification or, in the case of TLS client or server\napplications, override the default purpose.","state":0,"publishedAt":"2021-05-01T12:00:00+00:00","modifiedAt":"2024-12-16T15:27:14.677621+00:00","affected":[{"ecosystem":"crates.io","name":"openssl-src","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"111.11.0"},{"kind":"fixed","version":"111.15.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":null,"severity":null}],"references":["https://crates.io/crates/openssl-src","https://rustsec.org/advisories/RUSTSEC-2021-0056.html","https://www.openssl.org/news/secadv/20210325.txt"],"sourceUrl":"https://osv.dev/vulnerability/RUSTSEC-2021-0056","license":"OSV · upstream source license applies","key":"osv:RUSTSEC-2021-0056","identifiers":["RUSTSEC-2021-0056","BIT-node-2021-3450","BIT-node-min-2021-3450","CVE-2021-3450","GHSA-8hfj-xrj2-pm22"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-10T15:24:08.8188023+00:00","complete":true,"records":1773,"lastAttemptAt":"2026-11-10T15:24:08.8188023+00:00","lastSuccessAt":"2026-11-10T15:24:08.9790817+00:00","error":null,"lastVerifiedAt":"2026-11-10T15:24:08.9790869+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-8859cf40d4337e24bd2f258cc7778fbad01bb24c79d057aaf34cf1dfc6f8917d-a0960c299e2dafbb2e8450fb21550287bc0c3b97298514596ae2b1697fb7bc3b","complete":true,"records":422070,"lastAttemptAt":"2026-11-10T15:21:29.3452518+00:00","lastSuccessAt":"2026-11-10T15:21:29.2151501+00:00","error":null,"lastVerifiedAt":"2026-11-10T15:21:29.3452518+00:00","snapshotPublishedAt":"2026-11-10T14:23:49+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. 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