How severe is CVE-2023-51650?

CVE-2023-51650 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-51650 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51650?

CVE-2023-51650 affects Apache Hertzbeat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51650?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-51650 published?

CVE-2023-51650 was published on 2023-12-22 and last updated on 2026-06-17.

CVE-2023-51650

CVE-2023-51650 is a high-severity vulnerability in Apache Hertzbeat with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Apache Hertzbeat
Published: 2023-12-22
Last modified: 2026-06-17

Description

Hertzbeat is an open source, real-time monitoring system. Prior to version 1.4.1, Spring Boot permission configuration issues caused unauthorized access vulnerabilities to three interfaces. This could result in disclosure of sensitive server information. Version 1.4.1 fixes this issue.

Frequently asked questions

What is CVE-2023-51650?: Hertzbeat is an open source, real-time monitoring system. Prior to version 1.4.1, Spring Boot permission configuration issues caused unauthorized access vulnerabilities to three interfaces. This could result in disclosure of sensitive server information. Version 1.4.1 fixes this issue.
How severe is CVE-2023-51650?: CVE-2023-51650 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-51650 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51650?: CVE-2023-51650 affects Apache Hertzbeat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51650?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-51650 published?: CVE-2023-51650 was published on 2023-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:hertzbeat:*:*:*:*:*:*:*:*

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