CVE-2020-17040
published 2020-11-11CVE-2020-17040: Windows Hyper-V Security Feature Bypass Vulnerability
PriorityP353critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.50%
82.9th percentile
Windows Hyper-V Security Feature Bypass Vulnerability
Affected
40 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10 | — | — |
| microsoft | windows_10_version_1507 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1607 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1803 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1809 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1903_for_x64-based_systems | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_1909 | >= 10.0.0 < publication | publication |
| microsoft | windows_10_version_2004 | >= 10.0.0 < publication | publication |
| microsoft | windows_8.1 | >= 6.3.0 < publication | publication |
| microsoft | windows_server_2012 | — | — |
| microsoft | windows_server_2012_r2 | >= 6.3.0 < publication | publication |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | — | — |
| microsoft | windows_server_2016 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_2019 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_version_2004 | >= 10.0.0 < publication | publication |
| microsoft | windows_server_version_20h2 | >= 10.0.0 < publication | publication |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
vendor_msrc6.5MEDIUM
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Microsoft
Windows Hyper-V Security Feature Bypass Vulnerability
vendor_msrc·2020-11-10·CVSS 6.5
CVE-2020-17040 [MEDIUM] Windows Hyper-V Security Feature Bypass Vulnerability
Windows Hyper-V Security Feature Bypass Vulnerability
FAQ: 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.
Microsoft Windows: Microsoft Windows
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Security Feature Bypass
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;Older Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB4586785
GHSA
GHSA-8599-937f-746w: Windows Hyper-V Security Feature Bypass Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2020-17040 [CRITICAL] CWE-287 GHSA-8599-937f-746w: Windows Hyper-V Security Feature Bypass Vulnerability
Windows Hyper-V Security Feature Bypass Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-11-11
Published