VulnerabilityModified
CVE-2021-4191
Private GitLab instances with restricted sign-ups may be vulnerable to user enumeration to unauthenticated users through the GraphQL API.
MEDIUM 5.3EPSS 80.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 80.0%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 80.00% probability · 100th percentile
- CISA KEV
- Not listed
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343898Broken Link
- https://hackerone.com/reports/1089609Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-4191.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/343898Broken Link
- https://hackerone.com/reports/1089609Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.