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CVE-2023-33660

7.5 · HIGH

A heap buffer overflow vulnerability exists in NanoMQ 0.17.2.

Published Jun 8, 2023CWE-787EPSS 1.20%

Overview

CVE-2023-33660 is a high-severity vulnerability. It was published on June 8, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function copyn_str() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/emqx/nanomqGitHubgithub.com/emqx/nanomq/issues/1155GitHubgithub.com/nanomq/NanoNNG/pull/509/commits/6815c4036a2344865da393803ecdb7af27d8bde1GitHubgithub.com/emqx/nanomqGitHubgithub.com/emqx/nanomq/issues/1155GitHubgithub.com/nanomq/NanoNNG/pull/509/commits/6815c4036a2344865da393803ecdb7af27d8bde1

How CyberStrike helps

Frequently asked questions

What is CVE-2023-33660?

CVE-2023-33660 is a high-severity vulnerability. It was published on June 8, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-33660?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-33660?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-33660?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-33660 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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