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CVE-2021-22243

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 存在安全漏洞，该漏洞源于在特殊情况下，从 7.10 开始的 GitLab CE/EE 版本可能允许现有的 GitLab 用户使用另一个电子邮件地址的邀请 URL 来访问组。

CVSS 5.0 · Medium EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services
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I. Basic Information for CVE-2021-22243

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Under specialized conditions, GitLab CE/EE versions starting 7.10 may allow existing GitLab users to use an invite URL meant for another email address to gain access into a group.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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 CE/EE 存在安全漏洞，该漏洞源于在特殊情况下，从 7.10 开始的 GitLab CE/EE 版本可能允许现有的 GitLab 用户使用另一个电子邮件地址的邀请 URL 来访问组。
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 >=7.10, <13.12.9 -

II. Public POCs for CVE-2021-22243

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III. Intelligence Information for CVE-2021-22243

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Other References for CVE-2021-22243 (2)

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-2021-22236 5.5 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-22256 5.4 MEDIUM GitLab 安全漏洞
CVE-2021-22250 5.4 MEDIUM GitLab 安全漏洞
CVE-2021-22247 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
Same vendor: GitLab

V. Comments for CVE-2021-22243

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