{"id":"CVE-2023-34367","aliases":["EUVD-2023-38447","GHSA-ff2c-382x-2h25"],"status":"published","title":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in...","description":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01224,"percentile":0.68979,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2023-06-14T00:00:00Z","modified":"2026-06-17T06:03:29Z","products":[{"vendor":"microsoft","product":"windows_7"}],"references":[{"url":"http://blog.pi3.com.pl/?p=850","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7","tags":["x_transferred","Exploit","Technical Description"]},{"url":"https://pwnies.com/windows-7-blind-tcp-ip-hijacking/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34367"},{"url":"https://pwnies.com/windows-7-blind-tcp-ip-hijacking"},{"url":"https://github.com/advisories/GHSA-ff2c-382x-2h25"}],"sources":{"cve":[{"id":"CVE-2023-34367","description":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.","status":"published","published":"2023-06-14T00:00:00Z","modified":"2025-01-06T18:10:54.14Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38447","description":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.","status":"published","published":"2023-06-14T00:00:00Z","modified":"2025-01-06T18:10:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:04:25.578405Z"}],"ghsa":[{"id":"GHSA-ff2c-382x-2h25","title":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in...","description":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.","status":"published","published":"2023-06-14T21:30:40Z","modified":"2024-04-04T04:51:22Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:56:27.816836Z"}],"nvd":[{"id":"CVE-2023-34367","description":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack. The vulnerability exists in Windows 7 (any Windows until Windows 8) and in any implementation of TCP/IP, which is vulnerable to the Idle scan attack (including many IoT devices). NOTE: The vendor considers this a low severity issue.","status":"published","published":"2023-06-14T20:15:09.51Z","modified":"2026-06-17T06:03:29.587Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:08:06.335469Z"}]}}