{"id":"CVE-2016-9814","url":"https://www.cyber-defence.io/tools/cve/CVE-2016-9814","generatedAt":"2026-10-28T20:47:56.599Z","title":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of…","description":"The validateSignature method in the SAML2\\Utils class in SimpleSAMLphp before 1.14.10 and simplesamlphp/saml2 library before 1.9.1, 1.10.x before 1.10.3, and 2.x before 2.3.3 allows remote attackers to spoof SAML responses or possibly cause a denial of service (memory consumption) by leveraging improper conversion of return values to boolean.","published":"2017-02-17T02:59:14.000Z","lastModified":"2026-06-17T00:56:36.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.0","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"},"cwe":["CWE-399"],"affected":["simplesamlphp/simplesamlphp","simplesamlphp/saml2"],"epss":{"score":0.02413,"percentile":0.84036,"date":"2026-10-27","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 (2.41%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/94730","tags":["Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html","source":"security@debian.org"},{"url":"https://simplesamlphp.org/security/201612-01","tags":["Vendor Advisory"],"source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/94730","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2018/03/msg00001.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://simplesamlphp.org/security/201612-01","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2016-9814","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."}