CVE-2020-17040HighCVSS 6.5

Windows Hyper-V Security Feature Bypass Vulnerability

Published
November 10, 2020
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2020-17040 →

📋 Description

What configurations or versions could be at risk from this vulnerability? This bypass could affect any Hyper-V configurations that are using Router Guard. What is the exposure if the vulnerability was bypassed? Certain packets that would normally be blocked or dropped could be processed. This could allow an attacker to bypass set policy, potentially influencing router paths.

🎯 Affected products18

  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1803 for x64-based Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1903 for x64-based Systems
  • Windows 10 Version 1909 for x64-based Systems
  • Windows 10 Version 2004 for x64-based Systems
  • Windows 10 for x64-based Systems
  • Windows 8.1 for x64-based systems
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server, version 1903 (Server Core installation)
  • Windows Server, version 1909 (Server Core installation)
  • Windows Server, version 2004 (Server Core installation)
  • Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB4586785 (Security Update) KB4586793 (Security Update) KB4586786 (Security Update) KB4586781 (Security Update) KB4586787 (Security Update) KB4586830 (Security Update) KB4586845 (Monthly Rollup) KB4586823 (Security Only)

🔗 References (15)