Auth bypass in Microsoft Windows 10
CVE-2021-31970
Windows TCP/IP Driver Security Feature Bypass Vulnerability
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.009 (54.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Microsoft Windows_10 — versions 20h2, 21h1, 1607
- Microsoft Windows 10 Version 1507 — versions 10.0.0
- Microsoft Windows 10 Version 1607 — versions 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows 8.1 — versions 6.3.0
- Microsoft Windows_8.1
Weakness classification (CWE)
References
- secure@microsoft.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-31970?
- CVE-2021-31970 is a medium-severity vulnerability in Microsoft Windows 10, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.5/10. Published 2021-06-08.
- How severe is CVE-2021-31970?
- Medium severity. CVSS v3 base score is 5.5 out of 10.