Auth bypass in Microsoft Windows 10
CVE-2021-38624
Windows Key Storage Provider Security Feature Bypass Vulnerability
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.015 (73.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 20h2, 21h1, 1809
- Microsoft Windows 10 Version 1809 — versions 10.0.0, 10.0.17763.0
- 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 11 Version 21h2 — versions 10.0.22000.0, 10.0.0
- Microsoft Windows Server 2016 — versions 20h2, 2004
- Microsoft Windows Server 2019 — versions 10.0.0, 10.0.17763.0
- Microsoft Windows Server 2019
Weakness classification (CWE)
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38624 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-38624?
- CVE-2021-38624 is a medium-severity vulnerability in Microsoft Windows 10, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2021-09-15.
- How severe is CVE-2021-38624?
- Medium severity. CVSS v3 base score is 6.5 out of 10.