Mosquitto
by Eclipse
Source repositories
CVEs (26)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2018-12551 | Hig | 0.53 | 8.1 | 0.01 | Mar 27, 2019 | 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,… | ||
| CVE-2018-12550 | Hig | 0.53 | 8.1 | 0.01 | Mar 27, 2019 | 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… | ||
| CVE-2018-12543 | Hig | 0.52 | 7.5 | 0.36 | Nov 15, 2018 | 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. | ||
| CVE-2021-41039 | Hig | 0.49 | 7.5 | 0.01 | Dec 1, 2021 | 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. | ||
| CVE-2021-34432 | Hig | 0.49 | 7.5 | 0.01 | Jul 27, 2021 | In Eclipse Mosquitto versions 2.0.7 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0. | ||
| CVE-2017-7655 | Hig | 0.49 | 7.5 | 0.02 | Mar 27, 2019 | In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library which could lead to crashes for those applications using the library. | ||
| CVE-2017-7654 | Hig | 0.49 | 7.5 | 0.02 | Jun 5, 2018 | In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the Mosquitto Broker. Unauthenticated clients can send crafted CONNECT packets which could cause a denial of service in the Mosquitto Broker. | ||
| CVE-2017-7652 | Hig | 0.49 | 7.5 | 0.02 | Apr 25, 2018 | In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets… | ||
| CVE-2017-7651 | Hig | 0.49 | 7.5 | 0.05 | Apr 24, 2018 | In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol. | ||
| CVE-2021-34431 | Med | 0.42 | 6.5 | 0.01 | Jul 22, 2021 | 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. | ||
| CVE-2021-28166 | Med | 0.42 | 6.5 | 0.01 | Apr 7, 2021 | In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur. | ||
| CVE-2018-12546 | Med | 0.42 | 6.5 | 0.01 | Mar 27, 2019 | 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… | ||
| CVE-2017-7650 | Med | 0.42 | 6.5 | 0.02 | Sep 11, 2017 | In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party… | ||
| CVE-2023-3592 | Med | 0.38 | 5.8 | 0.01 | Oct 2, 2023 | In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types. | ||
| CVE-2023-0809 | Med | 0.38 | 5.8 | 0.01 | Oct 2, 2023 | In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets. | ||
| CVE-2017-9868 | Med | 0.36 | 5.5 | 0.00 | Jun 25, 2017 | In Mosquitto through 1.4.12, mosquitto.db (aka the persistence file) is world readable, which allows local users to obtain sensitive MQTT topic information. | ||
| CVE-2024-3935 | Med | 0.35 | 6.5 | 0.01 | Oct 30, 2024 | In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted… | ||
| CVE-2021-34434 | Med | 0.35 | 5.3 | 0.01 | Aug 30, 2021 | In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked. | ||
| CVE-2019-11779 | Med | 0.35 | 6.5 | 0.03 | Sep 19, 2019 | In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur. | ||
| CVE-2019-11778 | Med | 0.35 | 5.4 | 0.01 | Sep 18, 2019 | 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… |
- risk 0.53cvss 8.1epss 0.01
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,…
- risk 0.53cvss 8.1epss 0.01
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…
- risk 0.52cvss 7.5epss 0.36
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.
- risk 0.49cvss 7.5epss 0.01
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.
- risk 0.49cvss 7.5epss 0.01
In Eclipse Mosquitto versions 2.0.7 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
- risk 0.49cvss 7.5epss 0.02
In Eclipse Mosquitto version from 1.0 to 1.4.15, a Null Dereference vulnerability was found in the Mosquitto library which could lead to crashes for those applications using the library.
- risk 0.49cvss 7.5epss 0.02
In Eclipse Mosquitto 1.4.15 and earlier, a Memory Leak vulnerability was found within the Mosquitto Broker. Unauthenticated clients can send crafted CONNECT packets which could cause a denial of service in the Mosquitto Broker.
- risk 0.49cvss 7.5epss 0.02
In Eclipse Mosquitto 1.4.14, if a Mosquitto instance is set running with a configuration file, then sending a HUP signal to server triggers the configuration to be reloaded from disk. If there are lots of clients connected so that there are no more file descriptors/sockets…
- risk 0.49cvss 7.5epss 0.05
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.
- risk 0.42cvss 6.5epss 0.01
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.
- risk 0.42cvss 6.5epss 0.01
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
- risk 0.42cvss 6.5epss 0.01
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…
- risk 0.42cvss 6.5epss 0.02
In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client id to '#' or '+'. This allows locally or remotely connected clients to access MQTT topics that they do have the rights to. The same issue may be present in third party…
- risk 0.38cvss 5.8epss 0.01
In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.
- risk 0.38cvss 5.8epss 0.01
In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.
- risk 0.36cvss 5.5epss 0.00
In Mosquitto through 1.4.12, mosquitto.db (aka the persistence file) is world readable, which allows local users to obtain sensitive MQTT topic information.
- risk 0.35cvss 6.5epss 0.01
In Eclipse Mosquito, versions from 2.0.0 through 2.0.18, if a Mosquitto broker is configured to create an outgoing bridge connection, and that bridge connection has an incoming topic configured that makes use of topic remapping, then if the remote connection sends a crafted…
- risk 0.35cvss 5.3epss 0.01
In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.
- risk 0.35cvss 6.5epss 0.03
In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.
- risk 0.35cvss 5.4epss 0.01
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…
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