Vulnerabilities > CVE-2021-40347 - Unspecified vulnerability in Postorius Project Postorius
Attack vector
NETWORK Attack complexity
LOW Privileges required
SINGLE Confidentiality impact
PARTIAL Integrity impact
PARTIAL Availability impact
NONE Summary
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.
Vulnerable Configurations
References
- https://gitlab.com/mailman/postorius/-/commit/3d880c56b58bc26b32eac0799407d74b64b7474b
- https://gitlab.com/mailman/postorius/-/tags
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=993746
- https://gitlab.com/mailman/postorius/-/issues/531
- https://phabricator.wikimedia.org/T289798
- https://www.debian.org/security/2021/dsa-4970