#VU55695 Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2021-34484
Published: August 10, 2021 / Updated: March 31, 2022
Vulnerability identifier: #VU55695
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:A/U:Clear
CVE-ID: CVE-2021-34484
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
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 Windows User Profile Service, which leads to security restrictions bypass and privilege escalation.
Remediation
Install updates from vendor's website.