CVE-2021-22236
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I. Basic Information for CVE-2021-22236
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Due to improper handling of OAuth client IDs, new subscriptions generated OAuth tokens on an incorrect OAuth client application. This vulnerability is present in GitLab CE/EE since version 14.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab 输入验证错误漏洞
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 存在输入验证错误漏洞，该漏洞源于 OAuth 客户端 ID 处理不当，新订阅会在不正确的 OAuth 客户端应用程序上生成 OAuth 令牌。
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-2021-22236
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
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- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22236.jsonx_refsource_CONFIRM
- https://gitlab.com/gitlab-org/gitlab/-/issues/334925x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-22236
Same Patch Batch · GitLab · 2021-08-25 · 9 CVEs total
| CVE-2021-22242 | 8.7 HIGH | GitLab 跨站脚本漏洞 |
| CVE-2021-22237 | 6.6 MEDIUM | GitLab 授权问题漏洞 |
| CVE-2021-22256 | 5.4 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22250 | 5.4 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22243 | 5.0 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22247 | 4.3 MEDIUM | GitLab 权限许可和访问控制问题漏洞 |
| CVE-2021-22244 | 3.1 LOW | GitLab 安全漏洞 |
| CVE-2021-22245 | 2.7 LOW | GitLab 输入验证错误漏洞 |
IV. Related Vulnerabilities
Same product: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
Same vendor: GitLab
- CVE-2026-3254
Improper Restriction of Rendered UI Layers or Frames in GitL - CVE-2026-4922
Cross-Site Request Forgery (CSRF) in GitLab - CVE-2025-0186
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-3922
Allocation of Resources Without Limits or Throttling in GitL - CVE-2025-6016
Allocation of Resources Without Limits or Throttling in GitL
V. Comments for CVE-2021-22236
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