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CVE-2023-39438— Missing Authorization check allows certain operations on CLA Assistant data

Quick assessment

Affected
SAP_SE CLA Assistant
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.

Contributor License Agreement assistant（CLA assistant）是cla-assistant团队的一个基于Javascript的可与Github进行集成的贡献者协议管理软件。该软件提供当贡献者拉取代码时，会要求签署CLA的功能。 Contributor License Agreement assistant存在安全漏洞，该漏洞源于缺少授权检查，通过执行特定的附加步骤来执行某些操作。

CVSS 8.1 · High EPSS 0.47% · P40
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I. Basic Information for CVE-2023-39438

Vulnerability Information
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Vulnerability Title
Missing Authorization check allows certain operations on CLA Assistant data
Source: CVE Program / CVE List V5
Vulnerability Description
A missing authorization check allows an arbitrary authenticated user to perform certain operations through the API of CLA-assistant by executing specific additional steps. This allows an arbitrary authenticated user to read CLA information including information of the persons who signed them as well as custom fields the CLA requester had configured. In addition, an arbitrary authenticated user can update or delete the CLA-configuration for repositories or organizations using CLA-assistant. The stored access tokens for GitHub are not affected, as these are redacted from the API-responses.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Contributor License Agreement assistant 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contributor License Agreement assistant（CLA assistant）是cla-assistant团队的一个基于Javascript的可与Github进行集成的贡献者协议管理软件。该软件提供当贡献者拉取代码时，会要求签署CLA的功能。 Contributor License Agreement assistant存在安全漏洞，该漏洞源于缺少授权检查，通过执行特定的附加步骤来执行某些操作。
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
SAP_SE CLA Assistant <= 2.13.0 -

II. Public POCs for CVE-2023-39438

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9440 chars
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III. Intelligence Information for CVE-2023-39438

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Vendor Advisories for CVE-2023-39438 (1)

IV. Related Vulnerabilities

Same product: CLA Assistant
Same vendor: SAP_SE
Same weakness: CWE-862

V. Comments for CVE-2023-39438

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