Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Eclipse | Mosquitto | >= 2.0.0, <= 2.0.11 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324ExploitIssue TrackingVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2023/dsa-5511
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324ExploitIssue TrackingVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2023/dsa-5511
FAQ
What is CVE-2021-34434?
CVE-2021-34434 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 exis...
How severe is CVE-2021-34434?
CVE-2021-34434 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-34434?
Check the references section above for vendor advisories and patch information. Affected products include: Eclipse Mosquitto, Fedoraproject Fedora.