Junglewise Threat Intelligence

CVE-2020-1350: Microsoft Windows DNS Server Remote Code Execution Vulnerability

CVE-2020-1350 · Severity: critical · CVSS 10 · Exploited in the wild · Published 2021-11-03

Technologies: Microsoft Windows Server 2008, Microsoft Windows, Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows Server 2012. Vendors: Microsoft.

Executive brief

A remote code execution vulnerability, known as SIGRed, exists in Microsoft Windows DNS Servers due to improper handling of requests. An unauthenticated attacker can exploit this to execute code with Local System Account privileges.

Affected products

  • Microsoft Windows Server 2008 SP2, R2 SP1
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016 1903, 1909, 2004
  • Microsoft Windows Server 2019

Timeline

  • 2020-07-14: disclosed: NVD Published Date
  • 2020-07-14: patched: MSRC advisory and patch released
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Reported as exploited in the wild in advisory metadata

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