{"id":"CVE-2013-2944","aliases":["DEBIAN-CVE-2013-2944","DSA-2665-1","EUVD-2013-2883","GHSA-m484-f74p-8pvx","SUSE-SU-2015:1227-1","UBUNTU-CVE-2013-2944","openSUSE-SU-2024:10579-1"],"status":"published","title":"strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification,...","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.","severity":{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01586,"percentile":0.75747,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-287"],"published":"2013-04-30T00:00:00Z","modified":"2026-09-01T20:03:16Z","fixes":[{"ecosystem":"Debian:12","package":"strongswan","fixed_in":["4.6.4-7"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"strongswan","fixed_in":["4.6.4-7"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"strongswan","fixed_in":["4.6.4-7"],"sources":["osv"]},{"ecosystem":"Debian:6.0","package":"strongswan","fixed_in":["4.4.1-5.3"],"sources":["osv"]},{"ecosystem":"Debian:7","package":"strongswan","fixed_in":["4.5.2-1.5+deb7u1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.4-7"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.4-7"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.4-7"}]}]},{"source":"osv","ecosystem":"Debian:6.0","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.1-5.3"}]}],"versions":["4.4.1-5.1","4.4.1-5.2"]},{"source":"osv","ecosystem":"Debian:7","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.2-1.5+deb7u1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"strongswan","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.3.5-1.1"}]}],"bundled":11}],"products":[{"vendor":"strongswan","product":"strongswan"}],"references":[{"url":"http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-%28cve-2013-2944%29.html","tags":["x_refsource_CONFIRM","x_transferred","article"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00121.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.debian.org/security/2013/dsa-2665","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/bid/59580","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-05/msg00014.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-updates/2013-06/msg00010.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://download.strongswan.org/patches/10_openssl_ecdsa_signature_patch/strongswan-4.3.5-5.0.3_openssl_ecdsa_signature.patch","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2944"},{"url":"http://www.strongswan.org/blog/2013/04/30/strongswan-5.0.4-released-(cve-2013-2944).html"},{"url":"https://github.com/advisories/GHSA-m484-f74p-8pvx"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2944","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2015/suse-su-20151227-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/815236","tags":["report"]},{"url":"https://bugzilla.suse.com/833278","tags":["report"]},{"url":"https://bugzilla.suse.com/840826","tags":["report"]},{"url":"https://bugzilla.suse.com/847506","tags":["report"]},{"url":"https://bugzilla.suse.com/870572","tags":["report"]},{"url":"https://bugzilla.suse.com/876449","tags":["report"]},{"url":"https://bugzilla.suse.com/933591","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2013-2944","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-5018","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2338","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-2891","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-4171","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2013-2944","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2013-2944","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2009-0790","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2012-2388","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6075","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2013-6076","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2014-9221","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-3991","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2015-8023","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2013-2944","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.","status":"published","published":"2013-05-02T14:00:00Z","modified":"2024-08-06T15:52:21.554Z","updated_at":"2026-11-02T14:34:55.825574Z"}],"euvd":[{"id":"EUVD-2013-2883","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.","status":"published","published":"2013-05-02T14:00:00Z","modified":"2024-08-06T15:52:21Z","updated_at":"2026-11-03T01:56:37.16587Z"}],"ghsa":[{"id":"GHSA-m484-f74p-8pvx","title":"strongSwan 4.3.5 through 5.0.3, when using the OpenSSL plugin for ECDSA signature verification,...","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.","status":"published","published":"2022-05-14T03:07:51Z","modified":"2025-04-11T04:11:04Z","cwes":["CWE-287"],"updated_at":"2026-11-02T15:01:14.028836Z"}],"nvd":[{"id":"CVE-2013-2944","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.","status":"published","published":"2013-05-02T14:55:05.43Z","modified":"2026-06-16T23:54:16.47Z","cvss":[{"version":"2.0","score":4.9,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:02:25.704053Z"}],"osv":[{"id":"CVE-2013-2944","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.","status":"published","published":"2013-05-02T14:55:05Z","modified":"2026-04-10T03:42:55.033779Z","updated_at":"2026-11-02T15:43:59.09154Z"},{"id":"DEBIAN-CVE-2013-2944","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.","status":"published","published":"2013-05-02T14:55:05.43Z","modified":"2026-09-01T20:03:16.083506397Z","updated_at":"2026-11-02T15:45:25.514579Z"},{"id":"DSA-2665-1","title":"strongswan - authentication bypass","status":"published","published":"2013-04-30T00:00:00Z","modified":"2026-03-09T01:18:59.252471Z","updated_at":"2026-11-02T15:46:15.489951Z"},{"id":"openSUSE-SU-2024:10579-1","title":"strongswan-5.3.5-1.1 on GA media","description":"These are all security issues fixed in the strongswan-5.3.5-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T04:32:44.74643Z","updated_at":"2026-11-02T16:58:34.487567Z"},{"id":"SUSE-SU-2015:1227-1","title":"Security update for strongswan","description":"\nThis update fixes a NULL ptr dereference (DoS) via ID_DER_ASN1_DN ID \npayloads.\n\nSecurity Issue reference:\n\n    * CVE-2014-2891\n      \u003chttp://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-2891\u003e\n\n","status":"published","published":"2014-05-14T09:26:44Z","modified":"2026-02-04T02:26:22.617312Z","updated_at":"2026-11-02T15:53:43.030986Z"},{"id":"UBUNTU-CVE-2013-2944","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.","status":"withdrawn","published":"2013-05-02T14:55:00Z","modified":"2025-07-16T07:17:07.421245Z","updated_at":"2026-11-02T15:54:07.421078Z"}]}}