Permissions, Privileges, and Access Controls in Windows Server - CVE-2021-42278
Published: November 9, 2021 / Updated: September 18, 2023
Vulnerability identifier: #VU58036
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2021-42278
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows Server
Windows Server
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Active Directory Domain Services, which leads to security restrictions bypass and privilege escalation.
How to mitigate CVE-2021-42278
Install updates from vendor's website.