{"id":"CVE-2005-2359","aliases":["EUVD-2005-2360","GHSA-8x3x-v4q7-cjjp"],"status":"published","title":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without...","description":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00906,"percentile":0.60105,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2005-08-01T04:00:00Z","modified":"2026-06-16T22:14:44Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"http://secunia.com/advisories/16244/","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:19.ipsec.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/21551","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://www.securityfocus.com/bid/14394","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://securitytracker.com/id?1014586","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-2359"},{"url":"https://github.com/advisories/GHSA-8x3x-v4q7-cjjp"}],"sources":{"cve":[{"id":"CVE-2005-2359","description":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.","status":"published","published":"2005-08-01T04:00:00Z","modified":"2024-08-07T22:22:49.041Z","updated_at":"2026-11-02T14:33:37.840038Z"}],"euvd":[{"id":"EUVD-2005-2360","description":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.","status":"published","published":"2005-08-01T04:00:00Z","modified":"2024-08-07T22:22:49Z","updated_at":"2026-11-03T01:15:30.973855Z"}],"ghsa":[{"id":"GHSA-8x3x-v4q7-cjjp","title":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without...","description":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.","status":"published","published":"2022-05-03T03:14:14Z","modified":"2023-02-01T05:01:13Z","updated_at":"2026-11-02T14:49:41.640503Z"}],"nvd":[{"id":"CVE-2005-2359","description":"The AES-XCBC-MAC algorithm in IPsec in FreeBSD 5.3 and 5.4, when used for authentication without other encryption, uses a constant key instead of the one that was assigned by the system administrator, which can allow remote attackers to spoof packets to establish an IPsec session.","status":"published","published":"2005-08-05T04:00:00Z","modified":"2026-06-16T22:14:44.603Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:56.147496Z"}]}}