CVE-2021-34337
Mailman Core vulnerable to timing attacks
6.3
MEDIUM
CVSS 3.1
EPSS 0.21%
Description
An issue was discovered in Mailman Core before 3.3.5. An attacker with access to the REST API could use timing attacks to determine the value of the configured REST API password and then make arbitrary REST API calls. The REST API is bound to localhost by default, limiting the ability for attackers to exploit this, but can optionally be made to listen on other interfaces.
How to fix CVE-2021-34337
To remediate CVE-2021-34337, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 3.3.5 or later
- —upgrade to e4a39488c4510fcad8851217f10e7337a196bb51 or later
Is CVE-2021-34337 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- from 0, < 3.3.5
- from 0, < e4a39488c4510fcad8851217f10e7337a196bb51 | from 0, < 3.3.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | MEDIUM6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |