#VU71034 Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2023-21549
Published: January 10, 2023
Vulnerability identifier: #VU71034
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-21549
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Windows
Windows Server
Windows
Windows Server
Software vendor:
Microsoft
Microsoft
Description
The vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Windows SMB Witness Service, which leads to security restrictions bypass and privilege escalation.
Remediation
Install updates from vendor's website.