CVE-2020-25697

high

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.

References

https://seclists.org/oss-sec/2020/q4/105

https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E

https://bugzilla.redhat.com/show_bug.cgi?id=1895295

http://www.openwall.com/lists/oss-security/2020/11/09/3

Details

Source: Mitre, NVD

Published: 2021-05-26

Updated: 2023-02-12

Risk Information

CVSS v2

Base Score: 4.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High