NULL pointer dereference in Microsoft Windows 10
CVE-2023-21757
Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability
EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h2, 22h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0, 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19043.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows_11 — versions 21h2, 22h2
- Microsoft Windows 11 Version 21h2 — versions 10.0.0
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
Weakness classification (CWE)
References
- secure@microsoft.com (vendor-advisory)
Frequently asked questions
- What is CVE-2023-21757?
- CVE-2023-21757 is a high-severity vulnerability in Microsoft Windows 10, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2023-01-10.
- How severe is CVE-2023-21757?
- High severity. CVSS v3 base score is 7.5 out of 10.