CVE-2021-4191

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.

GitLab Inc.

Severity: MEDIUM
CVE ID: CVE-2021-4191
CVSS Score: 5.3
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Refrence: NVDMITRE

Proof Of Concept

Nuclei Templates for CVE-2021-4191

Refrence: Project Discovery GitHub

Adelittle

Refrence: GitHub

K3ysTr0K3R

A PoC exploit for CVE-2021-4191 - GitLab User Enumeration.

Refrence: GitHub