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I. Basic Information for CVE-2021-4191
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab Enterprise Edition和GitLab Community Edition 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是美国GitLab公司的一种社区版 GitLab 。 GitLab Enterprise Edition和GitLab Community Edition存在授权问题漏洞，该漏洞源于应用程序在GraphQL API中输出了过多的数据。远程攻击者可利用该漏洞获得对系统敏感信息的未经授权的访问。
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
VendorProductAffected VersionsCPESubscribe
GitLabGitLab >=14.8, <14.8.2 -
II. Public POCs for CVE-2021-4191
#POC DescriptionSource LinkShenlong Link
1Nonehttps://github.com/Adelittle/CVE-2021-4191_ExploitsPOC Details
2A PoC exploit for CVE-2021-4191 - GitLab User Enumeration.https://github.com/K3ysTr0K3R/CVE-2021-4191-EXPLOITPOC Details
3An unauthenticated remote attacker can leverage this vulnerability to collect registered GitLab usernames, names, and email addresses.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-4191.yamlPOC Details
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III. Intelligence Information for CVE-2021-4191
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IV. Related Vulnerabilities
Same product: GitLab
Same vendor: GitLab
V. Comments for CVE-2021-4191

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