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CRITICAL

CVE-2023-51388

CVSS v3

9.8

CRITICAL

EPSS Score

1.3 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2024-02-22

Frequently asked questions

What is CVE-2023-51388?

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.

Is CVE-2023-51388 actively exploited?

Active exploitation of CVE-2023-51388 has not been confirmed. Its EPSS score was 1.3% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-51388?

CVE-2023-51388 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2023-51388 affecting your environment?

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