CVE Vulnerability

CVE-2021-40347

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.

5.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://gitlab.com/mailman/postorius/-/commit/3d880c56b58bc26b32eac0799407d74b64b7474b Patch Third Party Advisory
https://gitlab.com/mailman/postorius/-/tags Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993746 Mailing List Third Party Advisory
https://gitlab.com/mailman/postorius/-/issues/531 Exploit Issue Tracking
https://phabricator.wikimedia.org/T289798 Exploit Patch
https://www.debian.org/security/2021/dsa-4970 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:postorius_project:postorius:*:*:*:*:*:*:*:*
Information

Published : 2021-09-10 07:15

Updated : 2021-09-24 03:04

NVD link : CVE-2021-40347

Mitre link : CVE-2021-40347

Products Affected
No products.
CWE
NVD-CWE-noinfo