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% (54th 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% (54th 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% (54th 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:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Hertzbeat

CVE-2023-51653 — Critical (CVSS 9.8): Hertzbeat is a real-time monitoring system. In the implementation of `JmxCollectImpl.java`,…
CVE-2023-51389 — Critical (CVSS 9.8): Hertzbeat is a real-time monitoring system. At the interface of `/define/yml`, SnakeYAML is used as a parser to parse…
CVE-2023-51388 — Critical (CVSS 9.8): Hertzbeat is a real-time monitoring system. In `CalculateAlarm.java`, `AviatorEvaluator` is used to directly execute…
CVE-2026-24343 — High (CVSS 8.8): Improper Neutralization of Data within XPath Expressions ('XPath Injection') vulnerability in Apache HertzBeat. This…
CVE-2025-48208 — High (CVSS 8.8): Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection') vulnerability in Apache HertzBeat…
CVE-2025-24404 — High (CVSS 8.8): XML Injection RCE by parse http sitemap xml response vulnerability in Apache HertzBeat. The attacker needs…

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Other CWE-862 (Missing Authorization) vulnerabilities

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CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →