{"id":"CVE-2021-22923","revision":null,"records":[{"revision":"699fa62d6b0e4671970d95d740ab10a2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-22923","aliases":[],"title":"When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will d…","description":"When curl is instructed to get content using the metalink feature, and a user name and password are used to download the metalink XML file, those same credentials are then subsequently passed on to each of the servers from which curl will download or try to download the contents from. Often contrary to the user's expectations and intentions and without telling the user it happened.","state":0,"publishedAt":"2021-08-05T00:00:00+00:00","modifiedAt":"2026-10-14T10:42:55.517+00:00","affected":[{"ecosystem":"Vendor product","name":"https://github.com/curl/curl","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"https://github.com/curl/curl\",\n                    \"versions\": [\n                        {\n                            \"version\": \"curl 7.27.0 to and including 7.77.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://hackerone.com/reports/1213181","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FRUCW2UVNYUDZF72DQLFQR4PJEC6CF7V/","https://www.oracle.com/security-alerts/cpuoct2021.html","https://security.netapp.com/advisory/ntap-20210902-0003/","https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf","https://security.gentoo.org/glsa/202212-01"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-22923","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-22923","identifiers":["CVE-2021-22923"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-a6dc967b5ceb4c488191e8f172ded5d6","complete":true,"records":13689,"lastAttemptAt":"2026-11-10T04:04:46.1001793+00:00","lastSuccessAt":"2026-11-10T03:04:49.903+00:00","error":null,"lastVerifiedAt":"2026-11-10T03:04:49.903+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13742,"expectedIdentifiers":13742,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-10T04:04:18.1997683+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-10T04:04:18.1997683+00:00","lastSuccessAt":"2026-11-10T04:04:18.4004514+00:00","error":null,"lastVerifiedAt":"2026-11-10T04:04:18.4004518+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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