Security restrictions bypass in X.org Server - CVE-2020-25697
Published: November 10, 2020 / Updated: December 2, 2020
Vulnerability identifier: #VU48239
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-25697
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: X.org
Affected software:
X.org Server
X.org Server
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way X.org server handles authentication requests. A local user can impersonate the X.org server and trick the victim into providing credentials to a rouge application under attackers control.
How to mitigate CVE-2020-25697
Install update from vendor's website.