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eclipse mosquitto vulnerabilities and exploits
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7.5
CVSSv3
CVE-2023-5632
In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack....
Eclipse Mosquitto
7.5
CVSSv3
CVE-2021-41039
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.
Eclipse Mosquitto
7.5
CVSSv3
CVE-2023-3592
In Mosquitto prior to 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.
Eclipse Mosquitto
5.3
CVSSv3
CVE-2023-0809
In Mosquitto prior to 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.
Eclipse Mosquitto
7.5
CVSSv3
CVE-2023-28366
The broker in Eclipse Mosquitto 1.3.2 up to and including 2.x prior to 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN fr...
Eclipse Mosquitto
6.5
CVSSv3
CVE-2021-34431
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.
Eclipse Mosquitto
7.5
CVSSv3
CVE-2021-34432
In Eclipse Mosquitto versions 2.07 and previous versions, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
Eclipse Mosquitto
1 Github repository
7.5
CVSSv3
CVE-2018-12543
In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.
Eclipse Mosquitto
2 Github repositories
6.5
CVSSv3
CVE-2018-12546
In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this ma...
Eclipse Mosquitto
8.1
CVSSv3
CVE-2018-12550
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use an ACL file, and that ACL file is empty, or contains only comments or blank lines, then Mosquitto will treat this as though no ACL file has been defined and use a default allow policy. The new behaviour ...
Eclipse Mosquitto
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-4761
command injection
CVE-2024-3676
IDOR
CVE-2024-30039
CVE-2024-32113
CVE-2024-30049
CVE-2024-4776
SQL injection
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