CVE-2022-23738: github enterprise_server
Vulnerability summary
CVE-2022-23738 is a medium (CVSS 5.7) vulnerability in github enterprise_server. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.3% of scored vulnerabilities.
Timeline
- 01-11-2022PublishedVulnerability first disclosed.
- 06-05-2025Last modifiedVulnerability information updated.
Description
An improper cache key vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to access private repository files through a public repository. To exploit this, an actor would need to already be authorized on the GitHub Enterprise Server instance, be able to create a public repository, and have a site administrator visit a specially crafted URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.6 and was fixed in versions 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.7MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
+0.03 pp
From 0.68% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-552Files or Directories Accessible to External PartiesThe product makes files or directories accessible to unauthorized actors, even though they should not be.
Affected systems
Github2 products
- enterprise_server≥ 3.2.0, < 3.2.20 | ≥ 3.3.0, < 3.3.15 | ≥ 3.4.0, < 3.4.10 | ≥ 3.5.0, < 3.5.7 | ≥ 3.6.0, < 3.6.3
- github enterprise server≥ 3.2, < 3.2.20 | ≥ 3.3, < 3.3.15 | ≥ 3.4, < 3.4.10 | ≥ 3.5, < 3.5.7 | ≥ 3.6, < 3.6.3
1 vendor · 2 products