Link following in Windows and Windows Server - CVE-2020-0683
Published: February 11, 2020 / Updated: February 20, 2022
Vulnerability identifier: #VU25235
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:A/U:Clear
CVE-ID: CVE-2020-0683
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local user to elevate privileges on the system.
The vulnerability exists within the Windows Installer when MSI packages process symbolic links. A local user can bypass access restrictions to add or remove files and escalate privileges on the system.
How to mitigate CVE-2020-0683
Install updates from vendor's website.