CVE-2020-1350
CRITICAL severity · CVSS 10 · Improper input validation · actively exploited (CISA KEV)
10CVSS CRITICAL ● exploited
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
Added to KEV 2021-11-03. US federal agencies must patch by 2022-05-03.
Summary
A remote code execution vulnerability exists in Windows Domain Name System servers when they fail to properly handle requests, aka 'Windows DNS Server Remote Code Execution Vulnerability'.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)94%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products we track (2)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Official patch: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350 ↗
Additional information
- NVD record
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350Patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1350Patch
- http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.htmlAdvisory
- http://packetstormsecurity.com/files/158484/SIGRed-Windows-DNS-Denial-Of-Service.htmlAdvisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1350