CVE-2021-34431CWE-401

CVE-2021-34431: vulnerability in The Eclipse Foundation Eclipse Mosquitto

Published · Updated

Follow this CVE+ Monitor Eclipse Mosquitto+ Monitor mosquitto

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

3Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackepss 1.1%
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.
Affected products
The Eclipse Foundation · Eclipse Mosquitto
Related CVEs — The Eclipse Foundation Eclipse Mosquitto

In the same product, most dangerous first.

CVE-2018-12543—CVE-2018-12543EPSS 36.0%CVE-2017-7651—CVE-2017-7651EPSS 5.1%CVE-2019-11779—CVE-2019-11779EPSS 2.7%CVE-2017-7654—CVE-2017-7654EPSS 2.2%CVE-2017-7655—CVE-2017-7655EPSS 1.8%CVE-2017-7652—CVE-2017-7652EPSS 1.6%