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CVE-2021-43939— Elcomplus SmartPtt Improper Authorization

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存在授权问题漏洞，该漏洞源于低身份验证用户可以通过直接向所需端点发出请求来访问更高级别的管理授权。

CVSS 8.8 · High EPSS 0.64% · P49

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2021-43939

Vulnerability Information
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Vulnerability Title
Elcomplus SmartPtt Improper Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
Elcomplus SmartPTT is vulnerable when a low-authenticated user can access higher level administration authorization by issuing requests directly to the desired endpoints.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Elcomplus SmartPPT 安全漏洞
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存在授权问题漏洞，该漏洞源于低身份验证用户可以通过直接向所需端点发出请求来访问更高级别的管理授权。
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-2021-43939

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III. Intelligence Information for CVE-2021-43939

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Vendor Advisories for CVE-2021-43939 (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-2021-43930 4.9 MEDIUM Elcomplus SmartPtt Path Traversal

IV. Related Vulnerabilities

Same product: SmartPTT
Same vendor: Elcomplus
Same weakness: CWE-285

V. Comments for CVE-2021-43939

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