{"id":"CVE-2007-2782","aliases":["EUVD-2007-2774","GHSA-48c8-gm7m-5q7v"],"status":"published","title":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which...","description":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.","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":"2026-11-07","score":0.01601,"percentile":0.75952,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2007-05-21T23:00:00Z","modified":"2026-06-16T22:40:18Z","products":[{"vendor":"packeteer","product":"packetshaper"}],"references":[{"url":"http://securityreason.com/securityalert/2726","tags":["third-party-advisory","x_refsource_SREASON","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2007/1891","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"http://secunia.com/advisories/25344","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.securityfocus.com/bid/24048","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securityfocus.com/archive/1/468972/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://osvdb.org/36226","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-2782"},{"url":"https://github.com/advisories/GHSA-48c8-gm7m-5q7v"}],"sources":{"cve":[{"id":"CVE-2007-2782","description":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.","status":"published","published":"2007-05-21T23:00:00Z","modified":"2024-08-07T13:49:57.306Z","updated_at":"2026-11-02T13:32:11.910312Z"}],"euvd":[{"id":"EUVD-2007-2774","description":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.","status":"published","published":"2007-05-21T23:00:00Z","modified":"2024-08-07T13:49:57Z","updated_at":"2026-11-03T01:38:19.624156Z"}],"ghsa":[{"id":"GHSA-48c8-gm7m-5q7v","title":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which...","description":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.","status":"published","published":"2022-05-01T18:07:12Z","modified":"2023-01-31T05:03:43Z","updated_at":"2026-11-02T14:48:31.896636Z"}],"nvd":[{"id":"CVE-2007-2782","description":"Packeteer PacketShaper uses fixed increments in TCP initial sequence number (ISN) values, which allows remote attackers to predict the ISN value, and perform session hijacking or disruption.","status":"published","published":"2007-05-21T23:30:00Z","modified":"2026-06-16T22:40:18.43Z","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":"2026-11-02T14:01:16.479378Z"}]}}