Deserialization in GitHub Enterprise Server

CVE-2022-23734

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.

Vulnerability class: Insecure Deserialization

EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-23734?
CVE-2022-23734 is a high-severity vulnerability in GitHub Enterprise Server, classified under Deserialization of Untrusted Data. CVSS score: 8.8/10. Published 2022-10-19.
How severe is CVE-2022-23734?
High severity. CVSS v3 base score is 8.8 out of 10.