7.5
High
Exploited
· ransomware
CVE-2021-36942 Microsoft Windows Local Security Authority (LSA) Spoofing Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply updates per vendor instructions.
Ransomware campaigns
Known to be used
Weakness
CWE-749
Description
Windows LSA Spoofing Vulnerability
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2019 10.0 | 10.0.17763.0 → < 10.0.17763.2114 | 10.0.17763.2114 |
| Windows Server 2019 (Server Core installation) 10.0 | 10.0.17763.0 → < 10.0.17763.2114 | 10.0.17763.2114 |
| Windows Server version 2004 10.0 | 10.0.0 → < 10.0.19041.1165 | 10.0.19041.1165 |
| Windows Server version 20H2 10.0 | 10.0.0 → < 10.0.19042.1165 | 10.0.19042.1165 |
| Windows Server 2016 10.0 | 10.0.14393.0 → < 10.0.14393.4583 | 10.0.14393.4583 |
| Windows Server 2016 (Server Core installation) 10.0 | 10.0.14393.0 → < 10.0.14393.4583 | 10.0.14393.4583 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.6003.0 → < 6.0.6003.21192 | 6.0.6003.21192 |
| Windows Server 2008 Service Pack 2 (Server Core installation) 6.0 | 6.0.6003.0 → < 6.0.6003.21192 | 6.0.6003.21192 |
| Windows Server 2008 Service Pack 2 6.0 | 6.0.0 → < 6.0.6003.21192 | 6.0.6003.21192 |
Show the 6 other branches Hide the 6 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Windows Server 2008 R2 Service Pack 1 6.1 | 6.1.7601.0 → < 6.1.7601.25685 | 6.1.7601.25685 |
| Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1 | 6.1.7601.0 → < 6.1.7601.25685 | 6.1.7601.25685 |
| Windows Server 2012 6.2 | 6.2.9200.0 → < 6.2.9200.23435 | 6.2.9200.23435 |
| Windows Server 2012 (Server Core installation) 6.2 | 6.2.9200.0 → < 6.2.9200.23435 | 6.2.9200.23435 |
| Windows Server 2012 R2 6.3 | 6.3.9600.0 → < 6.3.9600.20094 | 6.3.9600.20094 |
| Windows Server 2012 R2 (Server Core installation) 6.3 | 6.3.9600.0 → < 6.3.9600.20094 | 6.3.9600.20094 |
References
- Windows LSA Spoofing Vulnerability msrc.microsoft.com
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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