#VU52158 Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-27091
Published: April 13, 2021
Vulnerability identifier: #VU52158
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-27091
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the RPC Endpoint Mapper Service, which leads to security restrictions bypass and privilege escalation.
Remediation
Install updates from vendor's website.