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CVE-2025-3509— Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation

Quick assessment

Affected
GitHub Enterprise Server
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.

GitHub Enterprise Server是美国GitHub开源的一个应用软件。提供一个将自己的GitHub实例设置为虚拟设备，从而提供可扩展，易于管理的平台。 GitHub Enterprise Server 3.17之前版本存在安全漏洞，该漏洞源于预接收钩子功能存在远程代码执行漏洞，可能导致权限提升和系统入侵。

AI Predicted 7.8 Difficulty: Hard EPSS 1.29% · P69
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I. Basic Information for CVE-2025-3509

Vulnerability Information
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Vulnerability Title
Pre-Receive Hook Remote Code Execution vulnerability was identified in GitHub Enterprise Server that allowing Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability Description
A Remote Code Execution (RCE) vulnerability was identified in GitHub Enterprise Server that allowed attackers to execute arbitrary code by exploiting the pre-receive hook functionality, potentially leading to privilege escalation and system compromise. The vulnerability involves using dynamically allocated ports that become temporarily available, such as during a hot patch upgrade. This means the vulnerability is only exploitable during specific operational conditions, which limits the attack window. Exploitation required either site administrator permissions to enable and configure pre-receive hooks or a user with permissions to modify repositories containing pre-receive hooks where this functionality was already enabled. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18 and was fixed in versions 3.17.1, 3.16.4, 3.15.8, 3.14.13, 3.13.16. This vulnerability was reported via the GitHub Bug Bounty program.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/AU:N/R:U/V:C/RE:M/U:Amber
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
GitHub Enterprise Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitHub Enterprise Server是美国GitHub开源的一个应用软件。提供一个将自己的GitHub实例设置为虚拟设备，从而提供可扩展，易于管理的平台。 GitHub Enterprise Server 3.17之前版本存在安全漏洞，该漏洞源于预接收钩子功能存在远程代码执行漏洞，可能导致权限提升和系统入侵。
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
GitHub Enterprise Server 3.13.0 ~ 3.13.15 -

II. Public POCs for CVE-2025-3509

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III. Intelligence Information for CVE-2025-3509

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Vendor Pages for CVE-2025-3509 (4)

Other References for CVE-2025-3509 (4)

Same Patch Batch · GitHub · 2025-04-17 · 3 CVEs total

CVE-2025-3124 Missing Authorization vulnerability was identified in GitHub Enterprise Server that allowe
CVE-2025-3246 Markdown math block sanitization bypass allows privilege escalation and unauthorized workf

IV. Related Vulnerabilities

Same product: Enterprise Server
Same vendor: GitHub
Same weakness: CWE-94

V. Comments for CVE-2025-3509

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