Vulnerability Description
HTTP Protocol Stack Remote Code Execution Vulnerability
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 2004 | < 10.0.19041.982 |
| Microsoft | Windows 10 20H2 | < 10.0.19042.982 |
| Microsoft | Windows Server 2004 | < 10.0.19041.982 |
| Microsoft | Windows Server 20H2 | < 10.0.19042.982 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-RemoteThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3116PatchVendor Advisory
- http://packetstormsecurity.com/files/162722/Microsoft-HTTP-Protocol-Stack-RemoteThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3116PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-31166?
CVE-2021-31166 is a vulnerability with a CVSS score of 9.8 (CRITICAL). HTTP Protocol Stack Remote Code Execution Vulnerability
How severe is CVE-2021-31166?
CVE-2021-31166 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-31166?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Windows 10 2004, Microsoft Windows 10 20H2, Microsoft Windows Server 2004, Microsoft Windows Server 20H2.