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CVE-2021-22241

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是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab CE EE 14.0版本存在跨站脚本漏洞，攻击者可以通过专门设计的默认分支名称来利用存储的跨站脚本漏洞。

CVSS 8.7 · High EPSS 0.99% · P61
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I. Basic Information for CVE-2021-22241

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 14.0. It was possible to exploit a stored cross-site-scripting via a specifically crafted default branch name.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一款使用Ruby on Rails开发的、自托管的、Git（版本控制系统）项目仓库应用程序。该程序可用于查阅项目的文件内容、提交历史、Bug列表等。 GitLab CE EE 14.0版本存在跨站脚本漏洞，攻击者可以通过专门设计的默认分支名称来利用存储的跨站脚本漏洞。
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 >=14.1, <14.1.2 -

II. Public POCs for CVE-2021-22241

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III. Intelligence Information for CVE-2021-22241

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Other References for CVE-2021-22241 (3)

Same Patch Batch · GitLab · 2021-08-05 · 3 CVEs total

CVE-2021-22234 9.6 CRITICAL GitLab CE/EE 跨站脚本漏洞
CVE-2021-22240 4.2 MEDIUM GitLab 安全漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-22241

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