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CVE-2023-51387

24
FAUCET Score

CVE-2023-51387 is a critical vulnerability affecting Apache Hertzbeat versions prior to 1.4.1, allowing for remote code execution. The vulnerability stems from improper sanitization of alert expressions, enabling authenticated malicious users to execute arbitrary commands on the Hertzbeat server. With a CVSS score of 8.8 (High), this flaw presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for severe compromise necessitates prompt patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.1CPE matchmatch criteria
cpe:2.3:a:apache:hertzbeat:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.46%
Probability of exploitation in next 30 days
EPSS Percentile
70.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0146 is in the 68th percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / dromara/hertzbeat/blob/6b599495763120ad1df6f4ed4b6713bb4885d8e2/home/blog/2023-09-26-hertzbeat-v1.4.1.md
Release Notes
github.com / dromara/hertzbeat/commit/8dcf050e27ca95d15460a7ba98a3df8a9cd1d3d2
Patch
github.com / dromara/hertzbeat/security/advisories/GHSA-4576-m8px-w9qj
ExploitVendor Advisory