CVE-2021-4191: Medium severity gitlab vulnerability
An issue has been discovered in GitLab CE/EE affecting versions 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2. Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-4191?
CVE-2021-4191 has a severity rating that indicates a medium risk due to potential user enumeration attacks.
How do I fix CVE-2021-4191?
To address CVE-2021-4191, users should upgrade their GitLab installations to a version later than 14.8.2.
What versions are affected by CVE-2021-4191?
CVE-2021-4191 affects GitLab CE/EE versions from 13.0 to 14.6.5, 14.7 to 14.7.4, and 14.8 to 14.8.2.
What is user enumeration in CVE-2021-4191?
User enumeration in CVE-2021-4191 refers to the ability of unauthenticated users to identify valid usernames through the GitLab GraphQL API.
Can CVE-2021-4191 impact private GitLab instances?
Yes, CVE-2021-4191 specifically impacts private GitLab instances that have restricted user sign-ups.