{"id":"CVE-2013-2944","url":"https://www.cyber-defence.io/tools/cve/CVE-2013-2944","generatedAt":"2026-10-27T17:44:23.860Z","title":"strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.","description":"strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification, allows remote attackers to authenticate as other users via an invalid signature.","published":"2013-05-02T14:55:05.000Z","lastModified":"2026-06-16T23:54:16.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":4.9,"severity":"MEDIUM","vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N"},"cwe":["CWE-287"],"affected":["strongswan/strongswan"],"epss":{"score":0.01586,"percentile":0.75422,"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":"low","text":"Lower severity and a low EPSS score (1.59%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html","source":"cve@mitre.org"},{"url":"http://www.debian.org/security/2013/dsa-2665","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/59580","source":"cve@mitre.org"},{"url":"http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html","source":"cve@mitre.org"},{"url":"http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2013/dsa-2665","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/59580","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2013-2944","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."}