{"id":"CVE-2023-34367","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-34367","generatedAt":"2026-10-28T02:18:13.083Z","title":"Windows 7 is vulnerable to a full blind TCP/IP hijacking attack.","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.","published":"2023-06-14T20:15:10.000Z","lastModified":"2026-06-17T06:03:30.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N"},"cwe":["CWE-287"],"affected":["microsoft/windows 7"],"epss":{"score":0.01224,"percentile":0.68585,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (1.22%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"http://blog.pi3.com.pl/?p=850","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7","tags":["Exploit","Technical Description"],"source":"cve@mitre.org"},{"url":"https://pwnies.com/windows-7-blind-tcp-ip-hijacking/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"http://blog.pi3.com.pl/?p=850","tags":["Exploit","Technical Description","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7","tags":["Exploit","Technical Description"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://pwnies.com/windows-7-blind-tcp-ip-hijacking/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-34367","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}