Vulnerability Report

CVE-2025-23369

Title: Github Enterprise Server Cryptographic Failures

Other

Proof Of Concept

PoC Available for CVE-2025-23369

CWE Category CWE-347
Published Date Jan 21, 2025
Modified Date Sep 05, 2025
Exploit Status Available
Score 7.6 CVSS v4.0
Exploit Probability (EPSS)
1.62%

Vulnerability Summary

CVE-2025-23369: An improper verification of cryptographic signature vulnerability was identified in GitHub Enterprise Server that allowed signature spoofing for unauthorized internal users. Instances not utilizing SAML single sign-on or where the attacker is not already an existing user were not impacted. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.12.14, 3.13.10, 3.14.7, 3.15.2, and 3.16.0. This vulnerability was reported via the GitHub Bug Bounty program.

Impacted Vendors

B
blackberry 1
M
microfocus 1
G
github 1

Reference Links

https://docs.github.com/en/[email protected]/admin/release-notes#3.12.14 https://docs.github.com/en/[email protected]/admin/release-notes#3.13.10 https://docs.github.com/en/[email protected]/admin/release-notes#3.14.7 https://docs.github.com/en/[email protected]/admin/release-notes#3.15.2
CVSS v4.0
Source Entity [email protected]
Severity HIGH
7.6
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
N/A
RAW VECTOR CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1
Source Entity [email protected]
Severity HIGH
8.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-23369 Exploits & PoCs (Proof Of Concept)

GitHub https://github.com/hakivvi/CVE-2025-23369
View Code
GitHub https://github.com/Arian91/CVE-2025-23369_SAML_bypass
View Code
MODIFIED

Vulnerability data or affected products updated.

MODIFIED

Vulnerability data updated via NVD.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected Stack

No specific products linked.