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eclipse mosquitto vulnerabilities and exploits
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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
5.4
CVSSv3
CVE-2019-11778
If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free erro...
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
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
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
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
7.5
CVSSv3
CVE-2018-20145
Eclipse Mosquitto 1.5.x prior to 1.5.5 allows ACL bypass: if the option per_listener_settings was set to true, and the default listener was in use, and the default listener specified an acl_file, then the acl file was being ignored.
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
8.1
CVSSv3
CVE-2018-12551
When Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) is configured to use a password file for authentication, any malformed data in the password file will be treated as valid. This typically means that the malformed data becomes a username and no password. If this occurs, clie...
Eclipse Mosquitto
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-37316
firmware
CVE-2024-30078
CVE-2024-5995
remote code execution
logic flaw
CVE-2024-20693
CVE-2024-37315
CVE-2024-5464
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