CVE-2021-40347
Published: 10 September 2021
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.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
postorius Launchpad, Ubuntu, Debian |
bionic |
Released
(1.1.2-3ubuntu0.1)
|
| focal |
Released
(1.2.4-1ubuntu0.1)
|
|
| hirsute |
Released
(1.3.4-1ubuntu0.1)
|
|
| impish |
Released
(1.3.4-2ubuntu0.1)
|
|
| jammy |
Released
(1.3.5-1)
|
|
| kinetic |
Released
(1.3.5-1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.4 |
| 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 |