Multiple vulnerabilities in GitHub Enterprise Server



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2025-3124
CVE-2025-3509
CVE-2025-3246
CWE-ID CWE-862
CWE-749
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 GitHub Enterprise Server
Server applications / Other server solutions

Vendor GitHub

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Missing authorization

EUVDB-ID: #VU109633

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3124

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to missing authorization checks. A remote user can see private repository names in the GitHub Advanced Security Overview when filtering with only "archived:".

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitHub Enterprise Server: 3.13.0 - 3.16.1

CPE2.3 External links

https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.14
https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.11
https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.6
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Exposed dangerous method or function

EUVDB-ID: #VU109635

Risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-3509

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists within the pre-receive hook functionality, which becomes available during a hot patch upgrade. A remote user with site administrator permissions or a user with privileges to modify repositories containing pre-receive hooks can execute arbitrary code on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitHub Enterprise Server: 3.13.0 - 3.16.1

CPE2.3 External links

https://docs.github.com/en/enterprise-server@3.13/admin/release-notes#3.13.14
https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.11
https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.6
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU109636

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-3246

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

GitHub Enterprise Server: 3.16.0 - 3.16.1

CPE2.3 External links

https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.2


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###