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CVE-2021-39904

Quick assessment

Affected
GitLab GitLab
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.

GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab CE/EE 存在访问控制错误漏洞，该漏洞允许合并请求创建者在项目所有者锁定合并请求后解决讨论并应用建议。

CVSS 4.3 · Medium EPSS 0.83% · P56

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-39904

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An Improper Access Control vulnerability in the GraphQL API in all versions of GitLab CE/EE starting from 13.1 before 14.2.6, all versions starting from 14.3 before 14.3.4, and all versions starting from 14.4 before 14.4.1 allows a Merge Request creator to resolve discussions and apply suggestions after a project owner has locked the Merge Request
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab CE/EE 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition（EE）和GitLab Community Edition（CE）都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab CE/EE 存在访问控制错误漏洞，该漏洞允许合并请求创建者在项目所有者锁定合并请求后解决讨论并应用建议。
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
GitLab GitLab >=13.1, <14.2.6 -

II. Public POCs for CVE-2021-39904

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III. Intelligence Information for CVE-2021-39904

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Other References for CVE-2021-39904 (2)

Same Patch Batch · GitLab · 2021-11-04 · 16 CVEs total

CVE-2021-39906 8.7 HIGH GitLab 跨站脚本漏洞
CVE-2021-22260 7.7 HIGH GitLab 跨站脚本漏洞
CVE-2021-39903 6.5 MEDIUM GitLab 安全漏洞
CVE-2021-39895 6.0 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-39909 5.3 MEDIUM GitLab EE 数据伪造问题漏洞
CVE-2021-39912 5.3 MEDIUM GitLab 资源管理错误漏洞
CVE-2021-39907 5.3 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-39913 4.4 MEDIUM GitLab 日志信息泄露漏洞
CVE-2021-39902 4.3 MEDIUM GitLab 授权问题漏洞
CVE-2021-39905 4.3 MEDIUM GitLab 信息泄露漏洞
CVE-2021-39898 3.7 LOW GitLab 信息泄露漏洞
CVE-2021-39914 3.1 LOW Alfresco Software Alfresco Community Edition 资源管理错误漏洞
CVE-2021-39901 2.7 LOW GitLab 信息泄露漏洞
CVE-2021-39897 2.6 LOW GitLab 访问控制错误漏洞
CVE-2021-39911 1.7 LOW GitLab Enterprise Edition和GitLab Community Edition 安全漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-39904

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