CVE-2021-34434
MEDIUM5.3EPSS 0.36%mosquitto - security update
Published: 8/30/2021Modified: 4/28/2026
Description
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.
Affected packages (2)
- Debian/mosquittofrom 0, < 2.0.11-1+deb11u1
- Debian/mosquittofrom 0, < 2.0.11-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |