CVE-2021-40347

Publication date 10 September 2021

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.4 · Medium

Score breakdown

An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subscribed in the first place.

Status

Package Ubuntu Release Status
postorius 22.10 kinetic
Fixed 1.3.5-1
22.04 LTS jammy
Fixed 1.3.5-1
21.10 impish
Fixed 1.3.4-2ubuntu0.1
21.04 hirsute
Fixed 1.3.4-1ubuntu0.1
20.04 LTS focal
Fixed 1.2.4-1ubuntu0.1
18.04 LTS bionic
Fixed 1.1.2-3ubuntu0.1
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Not in release

Severity score breakdown

Parameter Value
Base score 5.4 · Medium
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N