{"cve":"CVE-2023-34367","nvd":{"published":"2023-06-14T20:15:09.510","modified":"2026-06-17T06:03:29.587","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","score":6.5},"cwes":["CWE-287"],"references":["http://blog.pi3.com.pl/?p=850","https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7","https://pwnies.com/windows-7-blind-tcp-ip-hijacking/","http://blog.pi3.com.pl/?p=850","https://portswigger.net/daily-swig/blind-tcp-ip-hijacking-is-resurrected-for-windows-7"],"products":["microsoft:windows_7"],"source":"nvd","synced_at":"2026-10-19T21:38:24.161619714+00:00"},"epss":{"cve":"CVE-2023-34367","score":0.01224,"percentile":0.68795,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}