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CVE-2021-43934— Elcomplus SmartPtt Unrestricted Upload of File with Dangerous Type

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 存在代码问题漏洞，该漏洞源于对上传文件的大小或数量缺乏限制。攻击者可利用此漏洞上传或传输危险类型的文件。

CVSS 9.8 · Critical EPSS 1.18% · P67

Possible ATT&CK Techniques 1 AI

T1105 · Ingress Tool Transfer
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I. Basic Information for CVE-2021-43934

Vulnerability Information
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Vulnerability Title
Elcomplus SmartPtt Unrestricted Upload of File with Dangerous Type
Source: CVE Program / CVE List V5
Vulnerability Description
Elcomplus SmartPTT is vulnerable as the backup and restore system does not adequately validate upload requests, enabling a malicious user to potentially upload arbitrary files.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Elcomplus SmartPPT 代码问题漏洞
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 存在代码问题漏洞，该漏洞源于对上传文件的大小或数量缺乏限制。攻击者可利用此漏洞上传或传输危险类型的文件。
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-2021-43934

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III. Intelligence Information for CVE-2021-43934

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Vendor Advisories for CVE-2021-43934 (1)

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

CVE-2021-43932 9.0 CRITICAL Elcomplus SmartPtt Cross-site Scripting
CVE-2021-43939 8.8 HIGH Elcomplus SmartPtt Improper Authorization
CVE-2021-43930 4.9 MEDIUM Elcomplus SmartPtt Path Traversal

IV. Related Vulnerabilities

Same product: SmartPTT
Same vendor: Elcomplus
Same weakness: CWE-434

V. Comments for CVE-2021-43934

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