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CVE-2021-39935

Quick assessment

Affected
GitLab GitLab
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 存在代码问题漏洞，该漏洞源于在14.3.6之前的10.5开始，14.4.4之前从14.4开始的所有版本，所有14.5.2 之前的 14.5 版本的GitLab CE/EE 中存在未经授权的外部用户可以通+E13过 CI Lint API 执行服务器端请求。

CVSS 6.8 · Medium KEV EPSS 36.14% · P98

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-39935

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.5 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. Unauthorized external users could perform Server Side Requests via the CI Lint API
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab CE/EE 存在代码问题漏洞，该漏洞源于在14.3.6之前的10.5开始，14.4.4之前从14.4开始的所有版本，所有14.5.2 之前的 14.5 版本的GitLab CE/EE 中存在未经授权的外部用户可以通+E13过 CI Lint API 执行服务器端请求。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab >=10.5, <14.3.6 -

II. Public POCs for CVE-2021-39935

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III. Intelligence Information for CVE-2021-39935

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Vendor Advisories for CVE-2021-39935 (1)

Other References for CVE-2021-39935 (1)

Same Patch Batch · GitLab · 2021-12-13 · 20 CVEs total

CVE-2021-39944 7.1 HIGH GitLab 权限许可和访问控制问题漏洞
CVE-2021-39939 6.5 MEDIUM GitLab 资源管理错误漏洞
CVE-2021-39937 5.9 MEDIUM GitLab 权限许可和访问控制问题漏洞
CVE-2021-39915 5.3 MEDIUM GitLab 访问控制错误漏洞
CVE-2021-39919 4.4 MEDIUM GitLab 授权问题漏洞
CVE-2021-39933 4.3 MEDIUM GitLab 安全漏洞
CVE-2021-39940 4.3 MEDIUM GitLab 安全漏洞
CVE-2021-39930 4.3 MEDIUM GitLab 信息泄露漏洞
CVE-2021-39916 4.3 MEDIUM GitLab 授权问题漏洞
CVE-2021-39934 4.3 MEDIUM GitLab 访问控制错误漏洞
CVE-2021-39932 4.3 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-39917 4.3 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-39941 3.7 LOW GitLab 信息泄露漏洞
CVE-2021-39936 3.5 LOW GitLab 访问控制错误漏洞
CVE-2021-39938 3.1 LOW GitLab 资源管理错误漏洞
CVE-2021-39931 3.1 LOW GitLab 安全漏洞
CVE-2021-39918 3.1 LOW GitLab 授权问题漏洞
CVE-2021-39945 2.7 LOW GitLab 访问控制错误漏洞
CVE-2021-39910 2.6 LOW GitLab 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-39935

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