CVE-2022-23738 json
Incomplete cache verification issue in GitHub Enterprise Server leading to exposure of private repo files
published 4y ago modified 4mo ago also EUVD-2022-28674
- cvss
- 5.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- GitHub GitHub Enterprise Server 3.2.20, 3.3.15, 3.4.10, 3.5.7, 3.6.3
Is CVE-2022-23738 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.81% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 5.7 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N |
Affected products
- GitHub GitHub Enterprise Server
Classification
References
- docs.github.com /en/enterprise-server%403.2/admin/release-notes#3.2.20
- docs.github.com /en/enterprise-server%403.3/admin/release-notes#3.3.15
- docs.github.com /en/enterprise-server%403.4/admin/release-notes#3.4.10
- docs.github.com /en/enterprise-server%403.5/admin/release-notes#3.5.7
- docs.github.com /en/enterprise-server%403.6/admin/release-notes#3.6.3
Sources
- CVE List CVE-2022-23738
- NVD CVE-2022-23738
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