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CVE-2023-51387

7.2 · HIGH

Hertzbeat is an open source, real-time monitoring system.

Published Dec 22, 2023CWE-94EPSS 1.45%

Overview

CVE-2023-51387 is a high-severity vulnerability. It was published on December 22, 2023 and has a CVSS 3.1 base score of 7.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Hertzbeat is an open source, real-time monitoring system. Hertzbeat uses aviatorscript to evaluate alert expressions. The alert expressions are supposed to be some simple expressions. However, due to improper sanitization for alert expressions in version prior to 1.4.1, a malicious user can use a crafted alert expression to execute any command on hertzbeat server. A malicious user who has access to alert define function can execute any command in hertzbeat instance. This issue is fixed in version 1.4.1.

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/dromara/hertzbeat/blob/6b599495763120ad1df6f4ed4b6713bb4885d8e2/home/blog/2023-09-26-hertzbeat-v1.4.1.mdGitHubgithub.com/dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2GitHubgithub.com/dromara/hertzbeat/security/advisories/GHSA-4576-m8px-w9qjGitHubgithub.com/dromara/hertzbeat/blob/6b599495763120ad1df6f4ed4b6713bb4885d8e2/home/blog/2023-09-26-hertzbeat-v1.4.1.mdGitHubgithub.com/dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2GitHubgithub.com/dromara/hertzbeat/security/advisories/GHSA-4576-m8px-w9qj

How CyberStrike helps

Frequently asked questions

What is CVE-2023-51387?

CVE-2023-51387 is a high-severity vulnerability. It was published on December 22, 2023 and has a CVSS 3.1 base score of 7.2 (HIGH).

How severe is CVE-2023-51387?

This vulnerability has a CVSS 3.1 base score of 7.2, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-51387?

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-2023-51387?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-51387 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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