Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-0841
Published: March 10, 2020
Vulnerability identifier: #VU25923
CSH Severity: Low
CVSS v4.0: 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-2020-0841
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows handles hard links. A local user can create a malicious application, launch it on the system and overwrite a targeted file leading to an elevated status.
To exploit this vulnerability, an attacker would first have to log on to the system.
How to mitigate CVE-2020-0841
Install update from vendor's website.