CVE-2023-51388

Name: CVE-2023-51388
Creator: NVD / NIST
Published: 2024-02-22T16:15:53.413+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.31%

Last modified Jun 17, 2026

CVE-2023-51388 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Hertzbeat is a real-time monitoring system. In `CalculateAlarm.java`, `AviatorEvaluator` is used to directly execute the expression function, and no security policy is configured, resulting in AviatorScript (which can execute any static method by default) script injection. EPSS estimates a 1.31% chance of exploitation in the next 30 days.

Description

Hertzbeat is a real-time monitoring system. In `CalculateAlarm.java`, `AviatorEvaluator` is used to directly execute the expression function, and no security policy is configured, resulting in AviatorScript (which can execute any static method by default) script injection. Version 1.4.1 fixes this vulnerability.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.31%

67.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Hertzbeat	< 1.4.1

References

https://github.com/dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2Patch
https://github.com/dromara/hertzbeat/security/advisories/GHSA-mcqg-gqxr-hqgjExploit, Vendor Advisory
https://github.com/dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2Patch
https://github.com/dromara/hertzbeat/security/advisories/GHSA-mcqg-gqxr-hqgjExploit, Vendor Advisory

Timeline

Published: Feb 22, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-51388?

How severe is CVE-2023-51388?

CVE-2023-51388 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.31% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51388?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-51388?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST