VULNERABILITY INTELLIGENCE

CVE-2021-39881

CVSS score3.5 LOW

EPSS probability0.88%

CISA KEVNot currently listed

Published2021-10-05

Last modified2026-06-17

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

Description

In all versions of GitLab CE/EE since version 7.7, the application may let a malicious user create an OAuth client application with arbitrary scope names which may allow the malicious user to trick unsuspecting users to authorize the malicious client application using the spoofed scope name and description.

Weakness classification

nvd@nist.gov: NVD-CWE-noinfo

Primary references

cve@gitlab.com — Vendor Advisory
cve@gitlab.com — Broken Link
cve@gitlab.com — Permissions Required, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link
af854a3a-2127-422b-91ae-364da2661108 — Permissions Required, Third Party Advisory