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CVE-2023-23761

HIGH
Published 2023-04-07T18:41:47.038Z
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CVSS Score

V3.1
7.7
/10
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.227
Higher than 22.7% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Description

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

GitHub

Enterprise Server

Affected Versions:

3.4.0 3.5.0 3.6.0 3.7.0 3.8.0 3.9.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-q7wq-398w-6957

Advisory Details

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.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-23761
WEB https://docs.github.com/en/[email protected]/admin/release-notes#3.4.18
WEB https://docs.github.com/en/[email protected]/admin/release-notes#3.5.15
WEB https://docs.github.com/en/[email protected]/admin/release-notes#3.6.11
WEB https://docs.github.com/en/[email protected]/admin/release-notes#3.7.8
WEB https://docs.github.com/en/[email protected]/admin/release-notes#3.8.1

Advisory provided by GitHub Security Advisory Database. Published: July 6, 2023, Modified: April 4, 2024

References

https://docs.github.com/en/[email protected]/admin/release-notes#3.8.1
https://docs.github.com/en/[email protected]/admin/release-notes#3.7.8
https://docs.github.com/en/[email protected]/admin/release-notes#3.6.11
https://docs.github.com/en/[email protected]/admin/release-notes#3.5.15
https://docs.github.com/en/[email protected]/admin/release-notes#3.4.18
Published: 2023-04-07T18:41:47.038Z
Last Modified: 2025-02-07T20:14:26.121Z
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