vulnerability
Ubuntu: USN-5157-1 (CVE-2021-40347): Postorius vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:L/Au:S/C:P/I:P/A:N) | Sep 10, 2021 | Nov 19, 2024 | Mar 27, 2026 |
Severity
6
CVSS
(AV:N/AC:L/Au:S/C:P/I:P/A:N)
Published
Sep 10, 2021
Added
Nov 19, 2024
Modified
Mar 27, 2026
Description
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.
Solutions
ubuntu-upgrade-python-django-postoriusubuntu-upgrade-python3-django-postorius
References
- CVE-2021-40347
- https://attackerkb.com/topics/CVE-2021-40347
- DEBIAN-DSA-4970
- EUVD-EUVD-2021-0197
- UBUNTU-USN-5157-1
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-0197
- https://gitlab.com/mailman/postorius/-/commit/3d880c56b58bc26b32eac0799407d74b64b7474b
- https://ubuntu.com/security/notices/USN-5157-1
- https://www.cve.org/CVERecord?id=CVE-2021-40347
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