CVE-2022-23734: github enterprise_server Deserialization of Untrusted Data
Vulnerability summary
CVE-2022-23734 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in github enterprise_server. EPSS estimates a 2.69% chance of exploitation in the next 30 days, higher than 85.6% of scored vulnerabilities.
Timeline
- 19-10-2022PublishedVulnerability first disclosed.
- 09-05-2025Last modifiedVulnerability information updated.
Description
A deserialization of untrusted data vulnerability was identified in GitHub Enterprise Server that could potentially lead to remote code execution on the SVNBridge. To exploit this vulnerability, an attacker would need to gain access via a server-side request forgery (SSRF) that would let an attacker control the data being deserialized. This vulnerability affected all versions of GitHub Enterprise Server prior to v3.6 and was fixed in versions 3.5.3, 3.4.6, 3.3.11, and 3.2.16. This vulnerability was reported via the GitHub Bug Bounty program.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.69%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
+0.65 pp
From 2.04% 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 causeAffected systems
Github2 products
- enterprise_server< 3.2.16 | ≥ 3.3.0, < 3.3.11 | ≥ 3.4.0, < 3.4.6 | ≥ 3.5.0, < 3.5.3
- github enterprise server≥ 3.2, < 3.2.16 | ≥ 3.3, < 3.3.11 | ≥ 3.4, < 3.4.6 | ≥ 3.5, < 3.5.3
1 vendor · 2 products