CVE-2021-36942
Windows LSA Spoofing Vulnerability
In short
A spoofing vulnerability in Windows LSA (Local Security Authority) allows an attacker to impersonate legitimate security processes, potentially gaining unauthorized access to system resources. This matters because LSA is fundamental to Windows authentication and authorization.
Technical detail
The vulnerability allows local or network-based attackers to spoof LSA authentication mechanisms under certain conditions, bypassing security checks and impersonating privileged processes. Attack requires network or local access with specific pre-conditions; successful exploitation leads to authentication bypass and unauthorized access to protected resources.
Summary generated and translated by AI from the official description.
Windows LSA Spoofing Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C
Affected products
Microsoft · Windows Server 2008 R2 Service Pack 1Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server version 2004Microsoft · Windows Server version 20H2Want to know if your infrastructure is exposed to this?
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