Improper authentication vulnerability in GitHub Enterprise Server leading to modification of secret gists
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.7epss 0.5%
exploitation probability
0.5%top 62% of all CVEs
observed exploitation
nono source reports it
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:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Affected products
GitHub · Enterprise ServerReferences
https://docs.github.com/en/enterprise-server@3.4/admin/release-notes#3.4.18https://docs.github.com/en/enterprise-server@3.5/admin/release-notes#3.5.15https://docs.github.com/en/enterprise-server@3.6/admin/release-notes#3.6.11https://docs.github.com/en/enterprise-server@3.7/admin/release-notes#3.7.8https://docs.github.com/en/enterprise-server@3.8/admin/release-notes#3.8.1