{"id":"CVE-2019-3465","url":"https://www.cyber-defence.io/tools/cve/CVE-2019-3465","generatedAt":"2026-10-27T21:17:32.308Z","title":"Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by…","description":"Rob Richards XmlSecLibs, all versions prior to v3.0.3, as used for example by SimpleSAMLphp, performed incorrect validation of cryptographic signatures in XML messages, allowing an authenticated attacker to impersonate others or elevate privileges by creating a crafted XML message.","published":"2019-11-07T20:15:11.000Z","lastModified":"2026-06-17T02:35:10.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-347"],"affected":["xmlseclibs project/xmlseclibs","debian/debian linux","simplesamlphp/simplesamlphp"],"epss":{"score":0.02988,"percentile":0.87218,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (2.99%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/robrichards/xmlseclibs/commit/0a53d3c3aa87564910cae4ed01416441d3ae0db5","tags":["Patch"],"source":"security@debian.org"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KID7C4AZPYYIZQIPSLANP4R2RQR6YK3/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AB34ILMJ67CUROBOR6YPKB46VHXLOAJ4/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBKVDUZ7G5ZOUO4BFJWLNJ6VOKBQJX5U/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BNFMY5RRLU63P25HEBVDO5KAVI7TX7JV/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESKJTWLE7QZBQ3EKMYXKMBQG3JDEJWM6/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HBE2SJSXG7J4XYLJ2H6HC2VPPOG2OMUN/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAWOVYLZKYDCQBLQEJCFAAD3KQTBPHXE/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCSR3V6LNWJAD37VQB6M2K7P4RQSCVFG/","source":"security@debian.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBSSRV5Q7JFCYO46A3EN624UZ4KXFQ2M/","source":"security@debian.org"},{"url":"https://seclists.org/bugtraq/2019/Nov/8","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"security@debian.org"},{"url":"https://simplesamlphp.org/security/201911-01","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.debian.org/security/2019/dsa-4560","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.tenable.com/security/tns-2019-09","source":"security@debian.org"},{"url":"https://github.com/robrichards/xmlseclibs/commit/0a53d3c3aa87564910cae4ed01416441d3ae0db5","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2019/11/msg00003.html","tags":["Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7KID7C4AZPYYIZQIPSLANP4R2RQR6YK3/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AB34ILMJ67CUROBOR6YPKB46VHXLOAJ4/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBKVDUZ7G5ZOUO4BFJWLNJ6VOKBQJX5U/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BNFMY5RRLU63P25HEBVDO5KAVI7TX7JV/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ESKJTWLE7QZBQ3EKMYXKMBQG3JDEJWM6/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HBE2SJSXG7J4XYLJ2H6HC2VPPOG2OMUN/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MAWOVYLZKYDCQBLQEJCFAAD3KQTBPHXE/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OCSR3V6LNWJAD37VQB6M2K7P4RQSCVFG/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XBSSRV5Q7JFCYO46A3EN624UZ4KXFQ2M/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://seclists.org/bugtraq/2019/Nov/8","tags":["Issue Tracking","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://simplesamlphp.org/security/201911-01","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2019/dsa-4560","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.tenable.com/security/tns-2019-09","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-3465","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}