Security restrictions bypass in Microsoft Windows and Windows Server - #VU57795

 

Security restrictions bypass in Microsoft Windows and Windows Server - #VU57795

Published: October 29, 2021


Vulnerability identifier: #VU57795
CSH Severity: Low
CVSS v4: 7.3 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to Windows User Profile Service does not properly impose security restrictions. A local unprivileged user in possession of credentials from another unprivileged account can run a specially crafted program and execute arbitrary code with SYSTEM privileges.

This vulnerability exists due to incomplete fix for #VU55695 (CVE-2021-34484).


Affected software

Microsoft Windows
Windows Server

Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.


Links to Public Exploits and PoC-codes

External References

Related Security Bulletins