{"id":"CVE-2020-13777","revision":"e6cf671cb118402488fa1530a7ee4581","records":[{"revision":"e6cf671cb118402488fa1530a7ee4581","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-13777","aliases":[],"title":"GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error …","description":"GnuTLS 3.6.x before 3.6.14 uses incorrect cryptography for encrypting a session ticket (a loss of confidentiality in TLS 1.2, and an authentication bypass in TLS 1.3). The earliest affected version is 3.6.4 (2018-09-24) because of an error in a 2018-09-18 commit. Until the first key rotation, the TLS server always uses wrong data in place of an encryption key derived from an application.","state":0,"publishedAt":"2020-06-04T07:01:07+00:00","modifiedAt":"2026-10-14T09:23:40.445+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://gnutls.org/security-new.html#GNUTLS-SA-2020-06-03","https://www.debian.org/security/2020/dsa-4697","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMB3UGI5H5RCFRU6OGRPMNUCNLJGEN7Y/","https://security.gentoo.org/glsa/202006-01","https://usn.ubuntu.com/4384-1/","http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00015.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6C4DHUKV6M6SJ5CV6KVHZNHNF7HCUE5P/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRQBFK3UZ7SV76IYDTS4PS6ABS2DSJHK/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RTXZOXC4MHTFE2HKY6IAZMF2WHD2WMV/","https://security.netapp.com/advisory/ntap-20200619-0004/"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-13777","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-13777","identifiers":["CVE-2020-13777"]},"retained":false,"historicalAffected":[]}],"coverage":[]}