CVE-2021-22168
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I. Basic Information for CVE-2021-22168
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A regular expression denial of service issue has been discovered in NuGet API affecting all versions of GitLab starting from version 12.8.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Gitlab Nuget Api 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Gitlab Nuget Api是美国Gitlab公司的一个为Gitlab提供与Nuget服务器提供交互的Api工具。该工具可用于下载软件包，获取元数据，发布新软件包以及执行官方NuGet客户端中可用的大多数其他操作。 GitLab NuGet API 12.8 之后的版本存在安全漏洞，该漏洞源于一个正则表达式拒绝服务问题。
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-2021-22168
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22168.jsonx_refsource_CONFIRM
- https://gitlab.com/gitlab-org/gitlab/-/issues/289950x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-22168
Same Patch Batch · GitLab · 2021-01-15 · 5 CVEs total
| CVE-2021-22171 | 7.3 HIGH | GitLab 授权问题漏洞 |
| CVE-2021-22167 | 5.3 MEDIUM | GitLab 安全漏洞 |
| CVE-2021-22166 | 5.3 MEDIUM | GitLab 资源管理错误漏洞 |
| CVE-2020-26414 | 4.3 MEDIUM | Gitlab Community Edition 安全漏洞 |
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-2021-22168
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