CVE-2021-41039
Published: 01 December 2021
Summary
CVE-2021-41039 is a high-severity Excessive Platform Resource Consumption within a Loop (CWE-1050) vulnerability in Eclipse Mosquitto. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 48.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-28191
Vulnerability details
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.