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Status published
High
CVE-2020-25697
A privilege escalation flaw was found in the Xorg-x11-server due...
Vulnerability Description
A privilege escalation flaw was found in the Xorg-x11-server due to a lack of authentication for X11 clients. This flaw allows an attacker to take control of an X application by impersonating the server it is expecting to connect to.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.openwall.com/lists/oss-security/2020/11/09/3
- https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E
- https://seclists.org/oss-sec/2020/q4/105
- http://www.openwall.com/lists/oss-security/2020/11/09/3
- https://bugzilla.redhat.com/show_bug.cgi?id=1895295
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Affected Vendor
Affected Software
xorg-x11-server
Vulnerable Versions:
All
Timeline
Official Publish:
May 26th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H