Risk Letters

Exploited vulnerability

CVE-2020-1040

TLP:CLEAR

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability

Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.

Facts

  • Vendor: Microsoft
  • Product: Hyper-V RemoteFX
  • CVSS: 9
  • EPSS (probability of exploitation within 30 days): 7.4 %
  • On CISA's Known Exploited Vulnerabilities list since: 3 November 2021
  • First known exploitation: 3 November 2021
  • CISA's deadline for US federal agencies: 3 May 2022
  • Weakness: CWE-20
  • First seen by Risk Letters: 3 November 2021

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD