Auth bypass in Microsoft Windows 7

CVE-2023-34367

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.

Vulnerability class: Broken Authentication

EPSS: 0.012 (65.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-34367?
CVE-2023-34367 is a medium-severity vulnerability in Microsoft Windows 7, classified under Improper Authentication. CVSS score: 6.5/10. Published 2023-06-14.
How severe is CVE-2023-34367?
Medium severity. CVSS v3 base score is 6.5 out of 10.