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CVE-2021-39890

Good to know:

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Date: December 6, 2021

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

Language: Ruby

Severity Score

Related Resources (5)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39890
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json
https://nvd.nist.gov/vuln/detail/CVE-2021-39890
https://gitlab.com/gitlab-org/gitlab/-/issues/341522
https://www.mend.io/vulnerability-database/CVE-2021-39890

Severity Score

Weakness Type (CWE)

Authentication Issues

CWE-287

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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