{"id":"CVE-2006-0905","aliases":["EUVD-2006-0909","GHSA-p5cr-7f6f-r5wg"],"status":"published","title":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2...","description":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01847,"percentile":0.79229,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2006-03-23T11:00:00Z","modified":"2026-06-16T22:21:32Z","products":[{"vendor":"freebsd","product":"freebsd"},{"vendor":"netbsd","product":"netbsd"}],"references":[{"url":"http://www.osvdb.org/24068","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://securitytracker.com/id?1015809","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/17191","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch"]},{"url":"http://secunia.com/advisories/19366","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory"]},{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2006-011.txt.asc","tags":["vendor-advisory","x_refsource_NETBSD","x_transferred"]},{"url":"ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-06:11.ipsec.asc","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/25398","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2006-0905"},{"url":"https://github.com/advisories/GHSA-p5cr-7f6f-r5wg"}],"sources":{"cve":[{"id":"CVE-2006-0905","description":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.","status":"published","published":"2006-03-23T11:00:00Z","modified":"2024-08-07T16:48:56.997Z","updated_at":"2026-11-02T14:33:52.947472Z"}],"euvd":[{"id":"EUVD-2006-0909","description":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.","status":"published","published":"2006-03-23T11:00:00Z","modified":"2024-08-07T16:48:56Z","updated_at":"2026-11-03T01:16:07.154815Z"}],"ghsa":[{"id":"GHSA-p5cr-7f6f-r5wg","title":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2...","description":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.","status":"published","published":"2022-05-03T03:15:35Z","modified":"2023-02-01T05:01:16Z","updated_at":"2026-11-02T14:49:42.191398Z"}],"nvd":[{"id":"CVE-2006-0905","description":"A \"programming error\" in fast_ipsec in FreeBSD 4.8-RELEASE through 6.1-STABLE and NetBSD 2 through 3 does not properly update the sequence number associated with a Security Association, which allows packets to pass sequence number checks and allows remote attackers to capture IPSec packets and conduct replay attacks.","status":"published","published":"2006-03-23T11:06:00Z","modified":"2026-06-16T22:21:32.153Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:01:01.776256Z"}]}}