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CVE-2021-43930— Elcomplus SmartPtt Path Traversal

Quick assessment

Affected
Elcomplus SmartPTT
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.

Elcomplus SmartPPT是美国Elcomplus公司的一个集成语音和数据调度软件。 Elcomplus SmartPPT存在路径遍历漏洞，该漏洞源于该软件使用外部输入来构造一个路径名，该路径名应位于受限目录中，但它无法正确转义特殊字符序列，该序列可以解析到该目录之外的位置。

CVSS 4.9 · Medium EPSS 1.04% · P63

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2021-43930

Vulnerability Information
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Vulnerability Title
Elcomplus SmartPtt Path Traversal
Source: CVE Program / CVE List V5
Vulnerability Description
Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate download requests, enabling malicious users to perform path traversal attacks and potentially download arbitrary files from the system.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Elcomplus SmartPPT 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elcomplus SmartPPT是美国Elcomplus公司的一个集成语音和数据调度软件。 Elcomplus SmartPPT存在路径遍历漏洞，该漏洞源于该软件使用外部输入来构造一个路径名，该路径名应位于受限目录中，但它无法正确转义特殊字符序列，该序列可以解析到该目录之外的位置。
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
Elcomplus SmartPTT 1.1 -

II. Public POCs for CVE-2021-43930

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III. Intelligence Information for CVE-2021-43930

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Vendor Advisories for CVE-2021-43930 (1)

Same Patch Batch · Elcomplus · 2022-04-28 · 4 CVEs total

CVE-2021-43934 9.8 CRITICAL Elcomplus SmartPtt Unrestricted Upload of File with Dangerous Type
CVE-2021-43932 9.0 CRITICAL Elcomplus SmartPtt Cross-site Scripting
CVE-2021-43939 8.8 HIGH Elcomplus SmartPtt Improper Authorization

IV. Related Vulnerabilities

Same product: SmartPTT
Same vendor: Elcomplus
Same weakness: CWE-22

V. Comments for CVE-2021-43930

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