Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2021-42096

Published: 21 October 2021

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.

Priority

High

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package Release Status
mailman
Launchpad, Ubuntu, Debian
upstream
Released (2.1.35)
focal
Released (1:2.1.29-1ubuntu3.1)
bionic
Released (1:2.1.26-1ubuntu0.4)
Patches:
upstream: https://bazaar.launchpad.net/~mailman-coders/mailman/2.1/revision/1873

Severity score breakdown

Parameter Value
Base score 4.3
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N