CVE-2021-22240
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I. Basic Information for CVE-2021-22240
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper access control in GitLab EE versions 13.11.6, 13.12.6, and 14.0.2 allows users to be created via single sign on despite user cap being enabled
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 安全漏洞
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 EE 存在安全漏洞，该漏洞源于应用不正确的访问控制允许通过单点登录创建用户，尽管启用了用户上限。以下产品及版本受到影响：GitLab EE 13.11.6, 13.12.6, and 14.0.2。
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
II. Public POCs for CVE-2021-22240
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://gitlab.com/gitlab-org/gitlab/-/issues/327641x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22240.jsonx_refsource_CONFIRM
- https://hackerone.com/reports/1166566x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-22240
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-2021-22241 | 8.7 HIGH | GitLab 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same vendor: GitLab
- CVE-2025-12669
Improper Control of Generation of Code ('Code Injection') in - CVE-2025-13874
Authorization Bypass Through User-Controlled Key in GitLab - CVE-2025-14869
Improper Validation of Specified Quantity in Input in GitLab - CVE-2025-14870
Allocation of Resources Without Limits or Throttling in GitL - CVE-2026-1184
Deserialization of Untrusted Data in GitLab
V. Comments for CVE-2021-22240
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