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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.

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

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.

References

Bugs