CVE-2021-31201
MediumActively exploited (CISA KEV)
Description
Microsoft Enhanced Cryptographic Provider Elevation of Privilege Vulnerability
SeverityMedium
CVSS5.2
Exploit probability—
Product
Microsoft Enhanced Cryptographic Provider
PublishedJun 8, 2021
First seenJun 8, 2021
Added to KEVNov 3, 2021
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Nov 17, 2021Update
- microsoft windows_10_150710.0.10240.18967 or later
- microsoft windows_10_160710.0.14393.4467 or later
- microsoft windows_10_180910.0.17763.1999 or later
- microsoft windows_10_190910.0.18363.1621 or later
- microsoft windows_10_200410.0.19041.1052 or later
- microsoft windows_10_20h210.0.19042.1052 or later
- microsoft windows_10_21h110.0.19043.1052 or later
- microsoft windows_server_200410.0.19041.1052 or later
- microsoft windows_server_201610.0.14393.4467 or later
- microsoft windows_server_201910.0.17763.1999 or later
- microsoft windows_server_20h210.0.19042.1052 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft windows_10_1507 | v < 10.0.10240.18967 | 10.0.10240.18967 |
| microsoft windows_10_1607 | v < 10.0.14393.4467 | 10.0.14393.4467 |
| microsoft windows_10_1809 | v < 10.0.17763.1999 | 10.0.17763.1999 |
| microsoft windows_10_1909 | v < 10.0.18363.1621 | 10.0.18363.1621 |
| microsoft windows_10_2004 | v < 10.0.19041.1052 | 10.0.19041.1052 |
| microsoft windows_10_20h2 | v < 10.0.19042.1052 | 10.0.19042.1052 |
| microsoft windows_10_21h1 | v < 10.0.19043.1052 | 10.0.19043.1052 |
| microsoft windows_7 | No range specified | — |
| microsoft windows_8.1 | No range specified | — |
| microsoft windows_rt_8.1 | No range specified | — |
| microsoft windows_server_2004 | v < 10.0.19041.1052 | 10.0.19041.1052 |
| microsoft windows_server_2008 | No range specified, r2 | — |
| microsoft windows_server_2012 | No range specified, r2 | — |
| microsoft windows_server_2016 | v < 10.0.14393.4467 | 10.0.14393.4467 |
| microsoft windows_server_2019 | v < 10.0.17763.1999 | 10.0.17763.1999 |
| microsoft windows_server_20h2 | v < 10.0.19042.1052 | 10.0.19042.1052 |
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