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CVE-2020-25697

Published: 26 May 2021

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.

Notes

AuthorNote
mdeslaur
as of 2021-05-19, there is no upstream fix for this issue. This
is a long-standing X11 design limitation and is difficult to
exploit. We will not be releasing updates for this issue.
Priority

Low

CVSS 3 base score: 7.0

Status

Package Release Status
libx11
Launchpad, Ubuntu, Debian
bionic Ignored

focal Ignored

groovy Ignored

hirsute Ignored

impish Ignored

jammy Ignored

precise Ignored

trusty Ignored

upstream Needed

xenial Ignored