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CVE-2023-51387— Expression Injection Vulnerability in Hertzbeat

Quick assessment

Affected
dromara hertzbeat
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hertzbeat是dromara组织的一个开源的实时监控系统。 Hertzbeat 1.4.1之前版本存在代码注入漏洞，该漏洞源于存在代码注入漏洞。攻击者可利用该漏洞通过特制的alert表达式在hertzbeat服务器上执行任何命令。

CVSS 7.2 · High EPSS 1.45% · P73

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2023-51387

Vulnerability Information
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Vulnerability Title
Expression Injection Vulnerability in Hertzbeat
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Hertzbeat 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hertzbeat是dromara组织的一个开源的实时监控系统。 Hertzbeat 1.4.1之前版本存在代码注入漏洞，该漏洞源于存在代码注入漏洞。攻击者可利用该漏洞通过特制的alert表达式在hertzbeat服务器上执行任何命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dromara hertzbeat < 1.4.1 -

II. Public POCs for CVE-2023-51387

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6532 chars
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III. Intelligence Information for CVE-2023-51387

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Patches & Fixes for CVE-2023-51387 (1)

Vendor Advisories for CVE-2023-51387 (1)

Security Blog Posts for CVE-2023-51387 (1)

Same Patch Batch · dromara · 2023-12-22 · 3 CVEs total

CVE-2022-39337 7.5 HIGH Permission bypass due to incorrect configuration in github.com/dromara/hertzbeat
CVE-2023-51650 7.5 HIGH Unauthorized access vulnerability on three interfaces

IV. Related Vulnerabilities

Same product: hertzbeat
Same vendor: dromara
Same weakness: CWE-94

V. Comments for CVE-2023-51387

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