{"id":"CVE-2002-2438","aliases":["EUVD-2002-2416","GHSA-w6mc-fc3q-jpx7"],"status":"published","title":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag...","description":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.03742,"percentile":0.89928,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-05-18T11:36:47Z","modified":"2026-06-16T22:01:18Z","products":[{"vendor":"linux","product":"kernel"},{"vendor":"linux","product":"linux_kernel"}],"references":[{"url":"http://www.openwall.com/lists/oss-security/2012/05/30/8","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/30/4","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/30/12","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing 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Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/30/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/31/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2012/05/30/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/464113","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.kb.cert.org/vuls/id/464113%2C","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=744994%2C","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.openwall.com/lists/oss-security/2012/02/03/7","tags":["x_refsource_MISC","x_transferred","Mailing List","Patch","Third Party Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20210727-0003/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-2438"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=744994,"},{"url":"https://www.kb.cert.org/vuls/id/464113,"},{"url":"https://github.com/advisories/GHSA-w6mc-fc3q-jpx7"}],"sources":{"cve":[{"id":"CVE-2002-2438","description":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.","status":"published","published":"2021-05-18T11:36:47Z","modified":"2024-08-08T04:06:55.369Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:33:54.29664Z"}],"euvd":[{"id":"EUVD-2002-2416","description":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.","status":"published","published":"2021-05-18T11:36:47Z","modified":"2024-08-08T04:06:55Z","updated_at":"2026-11-03T01:14:52.987378Z"}],"ghsa":[{"id":"GHSA-w6mc-fc3q-jpx7","title":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag...","description":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.","status":"published","published":"2022-04-21T01:42:51Z","modified":"2023-02-20T05:05:13Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:54:10.77374Z"}],"nvd":[{"id":"CVE-2002-2438","description":"TCP firewalls could be circumvented by sending a SYN Packets with other flags (like e.g. RST flag) set, which was not correctly discarded by the Linux TCP stack after firewalling.","status":"published","published":"2021-05-18T12:15:07.427Z","modified":"2026-06-16T22:01:18.213Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:00:44.251133Z"}]}}