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CVE-2021-22175

Quick assessment

Affected
GitLab GitLab
Exploitation
Confirmed exploitation in the wild; remediate immediately
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 GitLab存在代码问题漏洞，该漏洞源于启用对内部网络的 webhooks 请求。当启用对内部网络的 webhooks 请求时，即使在禁用注册的 GitLab 实例上，所有受影响版本的服务器端跨站请求伪造漏洞可能被未经身份验证的攻击者利用。

CVSS 6.8 · Medium KEV EPSS 53.37% · P99

Public Exploits 1

Nuclei · 1 CVE-2021-22175.yaml [template]

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 3

VendorProduct Version RangeStatus
GitLab GitLab >=10.5, <13.6.7 affected
>=13.7, <13.7.7 affected
>=13.8, <13.8.4 affected
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I. Basic Information for CVE-2021-22175

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When requests to the internal network for webhooks are enabled, a server-side request forgery vulnerability in GitLab affecting all versions starting from 10.5 was possible to exploit for an unauthenticated attacker even on a GitLab instance where registration is disabled
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 代码问题漏洞
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 GitLab存在代码问题漏洞，该漏洞源于启用对内部网络的 webhooks 请求。当启用对内部网络的 webhooks 请求时，即使在禁用注册的 GitLab 实例上，所有受影响版本的服务器端跨站请求伪造漏洞可能被未经身份验证的攻击者利用。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab >=10.5, <13.6.7 -

II. Public POCs for CVE-2021-22175

# POC Description Source Link Shenlong Link
1 GitLab 10.5 and later contain a server-side request forgery caused by insecure handling of webhook requests, letting unauthenticated attackers exploit the server for arbitrary requests, exploit requires sending crafted webhook requests. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-22175.yaml POC Details
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III. Intelligence Information for CVE-2021-22175

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Other References for CVE-2021-22175 (2)

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab

V. Comments for CVE-2021-22175

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