Is CVE-2023-51387 in the CISA KEV catalog?

No. CVE-2023-51387 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-51387?

CVE-2023-51387 has a CVSS v3 base score of 7.2 (HIGH).

What is the EPSS score for CVE-2023-51387?

CVE-2023-51387 has an EPSS score of 1.46% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-51387?

Upgrade hertzbeat to 1.4.1 or later.

CVE & CISA-KEV Catalog

CVE-2023-51387

HIGHEPSS 70th pctl

7.2

CVSS v3

NVD

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.

CWE-94Code Injection

How to fix

Remediation Available

hertzbeatNVD

Affected:< 1.4.1Fixed in:1.4.1CVE-2023-51387derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.46%probability of exploitation in 30 days

70thpercentile

Elevated risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Release Notes1

github.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.