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CVE-2021-39883

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公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab 存在安全漏洞，该漏洞源于GitLab EE 中存在不正确的授权检查问题。

CVSS 4.3 · Medium EPSS 0.77% · P53

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2021-39883

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper authorization checks in all versions of GitLab EE starting from 13.11 before 14.1.7, all versions starting from 14.2 before 14.2.5, and all versions starting from 14.3 before 14.3.1 allows subgroup members to see epics from all parent subgroups.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab 存在安全漏洞，该漏洞源于GitLab EE 中存在不正确的授权检查问题。
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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab >=13.11, <14.1.7 -

II. Public POCs for CVE-2021-39883

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III. Intelligence Information for CVE-2021-39883

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Other References for CVE-2021-39883 (2)

Same Patch Batch · GitLab · 2021-10-04 · 12 CVEs total

CVE-2021-39885 8.7 HIGH GitLab EE 跨站脚本漏洞
CVE-2021-39877 7.7 HIGH GitLab 资源管理错误漏洞
CVE-2021-39868 4.3 MEDIUM GitLab 访问控制错误漏洞
CVE-2021-22259 4.3 MEDIUM GitLab 输入验证错误漏洞
CVE-2021-39874 4.3 MEDIUM GitLab 安全特征问题漏洞
CVE-2021-39871 4.3 MEDIUM GitLab 安全特征问题漏洞
CVE-2021-39873 4.3 MEDIUM GitLab CE/EE 安全漏洞
CVE-2021-39896 3.8 LOW GitLab 代码问题漏洞
CVE-2021-39899 2.9 LOW GitLab 授权问题漏洞
CVE-2021-39879 2.2 LOW GitLab 访问控制错误漏洞
CVE-2021-39900 2.0 LOW GitLab 日志信息泄露漏洞

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-39883

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