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CVE-2020-4066— Command Injection in Limdu trainBatch function

Quick assessment

Affected
erelsgl Limdu
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Limdu是Erel Segal-Halevi软件开发者的一款用于Node.js的机器学习框架。 Limdu 0.95之前版本中的‘trainBatch’函数存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。

CVSS 3.8 · Low EPSS 1.63% · P74

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2020-4066

Vulnerability Information
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Vulnerability Title
Command Injection in Limdu trainBatch function
Source: CVE Program / CVE List V5
Vulnerability Description
In Limdu before 0.95, the trainBatch function has a command injection vulnerability. Clients of the Limdu library are unlikely to be aware of this, so they might unwittingly write code that contains a vulnerability. This has been patched in 0.95.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Limdu 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Limdu是Erel Segal-Halevi软件开发者的一款用于Node.js的机器学习框架。 Limdu 0.95之前版本中的‘trainBatch’函数存在操作系统命令注入漏洞。该漏洞源于外部输入数据构造操作系统可执行命令过程中，网络系统或产品未正确过滤其中的特殊字符、命令等。攻击者可利用该漏洞执行非法操作系统命令。
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
erelsgl Limdu < 0.95 -

II. Public POCs for CVE-2020-4066

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III. Intelligence Information for CVE-2020-4066

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Vendor Advisories for CVE-2020-4066 (1)

IV. Related Vulnerabilities

Same weakness: CWE-78

V. Comments for CVE-2020-4066

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