CVSS 3.1 Score 9.8 of 10 (high)


Published Aug 4, 2023
Updated: Aug 10, 2023


CVE-2023-33379 is a critical cyber vulnerability that affects Connected IO version 2.1.0 and earlier. The misconfiguration in their MQTT broker allows unauthorized devices to connect and issue commands, posing as the Connected IO management platform. This vulnerability enables attackers to send commands to all of Connected IO's devices. The risk score is 65, with a base severity of critical and a base score of 9.8 according to the NVD. The vulnerability does not require any privileges or user interaction and can be exploited over the network. It has a high impact on integrity and confidentiality, with an availability impact also being high. Remediation measures should be taken promptly to prevent potential damage to organizations using Connected IO products.


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