VDB
CVE-2021-34431
CVE-2021-34431
PUBLISHED
CVSS 6.5 MEDIUM
In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.
EPSS 1.11% · 65.8th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
1.11%
65.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | mosquitto | 1.6.6-1, 0, 1.6.7-1 |
Timeline
- Jul 22, 2021 CVE Published
- Jul 23, 2021 EPSS Score
- Sep 21, 2021 EPSS Score
- Nov 20, 2021 EPSS Score
- Jan 19, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 20, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 20, 2022 EPSS Score
- Jul 20, 2022 EPSS Score
- Nov 17, 2022 EPSS Score
- Jan 16, 2023 EPSS Score
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=573191 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-34431 third-party-advisory
- https://ubuntu.com/security/CVE-2021-34431 advisory
- https://ubuntu.com/security/notices/USN-6492-1 advisory