CVE-2021-39890

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Era posible omitir el 2FA para usuarios de LDAP y acceder a algunas páginas específicas con autenticación básica en GitLab versiones 14.1.1 y posteriores

*Credits: This vulnerability has been discovered internally by the GitLab team

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2021-12-06 CVE Published
2024-08-04 CVE Updated
2024-08-21 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json	Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/341522	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.1.1 < 14.1.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.1.1 < 14.1.7"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.2.0 < 14.2.5 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.2.0 < 14.2.5"		-		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				14.3.0 Search vendor "Gitlab" for product "Gitlab" and version "14.3.0"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				14.3.0 Search vendor "Gitlab" for product "Gitlab" and version "14.3.0"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				14.3.1 Search vendor "Gitlab" for product "Gitlab" and version "14.3.1"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				14.3.1 Search vendor "Gitlab" for product "Gitlab" and version "14.3.1"		enterprise		Affected