CVE-2021-39890

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

It was possible to bypass 2FA for LDAP users and access some specific pages with Basic Authentication in GitLab 14.1.1 and above.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-287

Affected software

No affected versions have been published.

Timeline

Published
Dec 6, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-398914.9In all versions of GitLab CE/EE since version 8.0, access tokens created as part of admin's impersonation of a user are not cleared at the eCVE-2021-398924.3In all versions of GitLab CE/EE since version 12.0, a lower privileged user can import users from projects that they don't have a maintainerCVE-2021-398937.5A potential DOS vulnerability was discovered in GitLab starting with version 9.1 that allowed parsing files without authorisation.CVE-2021-398945.4In all versions of GitLab CE/EE since version 8.0, a DNS rebinding vulnerability exists in Fogbugz importer which may be used by attackers tCVE-2021-398954.5In all versions of GitLab CE/EE since version 8.0, an attacker can set the pipeline schedules to be active in a project export so when an unCVE-2021-398963.8In all versions of GitLab CE/EE since version 8.0, when an admin uses the impersonate feature twice and stops impersonating, the admin may bCVE-2021-398975.3Improper access control in GitLab CE/EE version 10.5 and above allowed subgroup members with inherited access to a project from a parent groCVE-2021-398985.3In all versions of GitLab CE/EE since version 10.6, a project export leaks the external webhook token value which may allow access to the prCVE-2021-398994.2In all versions of GitLab CE/EE, an attacker with physical access to a user’s machine may brute force the user’s password via the change pasCVE-2021-39906.5showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)CVE-2021-399002.7Information disclosure from SendEntry in GitLab starting with 10.8 allowed exposure of full URL of artifacts stored in object-storage with aCVE-2021-399012.7In all versions of GitLab CE/EE since version 11.10, an admin of a group can see the SCIM token of that group by visiting a specific endpoin
CVE-2021-39890: Critical severity, CVSS 9.8 | Vulnix