Vulnerability Details : CVE-2023-23761

An improper authentication vulnerability was identified in GitHub Enterprise Server that allowed an unauthorized actor to modify other users' secret gists by authenticating through an SSH certificate authority. To do so, a user had to know the secret gist's URL. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.9 and was fixed in versions 3.4.18, 3.5.15, 3.6.11, 3.7.8, and 3.8.1. This vulnerability was reported via the GitHub Bug Bounty program.
Published 2023-04-07 19:15:07
Updated 2023-04-18 16:15:09
Source GitHub, Inc. (Products Only)
View at NVD,   CVE.org
Vulnerability category: BypassGain privilege

Products affected by CVE-2023-23761

Exploit prediction scoring system (EPSS) score for CVE-2023-23761

EPSS FAQ
0.13%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 48 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-23761

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.3
 MEDIUM CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
1.6
3.6
 NIST
7.7
 HIGH CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
1.3
5.8
 GitHub, Inc. (Products Only)

CWE ids for CVE-2023-23761

  • When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
    Assigned by:
    • nvd@nist.gov (Primary)
    • product-cna@github.com (Secondary)

References for CVE-2023-23761

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