CVE-2021-28444
published 2021-04-13CVE-2021-28444: Windows Hyper-V Security Feature Bypass Vulnerability
PriorityP337medium6.5CVSS 3.1
AVNACLPRLUINSUCNIHAN
EPSS
1.75%
75.3th percentile
Windows Hyper-V Security Feature Bypass Vulnerability
Affected
36 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_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_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 | >= 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 |
| msrc | windows_10_for_x64-based_systems | — | — |
| msrc | windows_10_version_1607_for_x64-based_systems | — | — |
| msrc | windows_10_version_1803_for_x64-based_systems | — | — |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
nvdv2.04.0MEDIUMAV:N/AC:L/Au:S/C:N/I:P/A:N
vendor_msrc5.7MEDIUM
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GHSA
GHSA-f8h2-5cwx-9wvg: Windows Hyper-V Security Feature Bypass Vulnerability
ghsa_unreviewed·2022-05-24
CVE-2021-28444 [MEDIUM] GHSA-f8h2-5cwx-9wvg: Windows Hyper-V Security Feature Bypass Vulnerability
Windows Hyper-V Security Feature Bypass Vulnerability
Microsoft
Windows Hyper-V Security Feature Bypass Vulnerability
vendor_msrc·2021-04-13·CVSS 5.7
CVE-2021-28444 [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.
Role: Windows Hyper-V: Role: Windows Hyper-V
Microsoft: Microsoft
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=KB5001339
Reference: https://cat
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-04-13
Published