CVE-2021-39890 : It was possible to bypass 2FA for LDAP users and access some specific pages with

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

Published 2021-12-06 18:15:08

Updated 2021-12-07 17:47:00

Source GitLab Inc.

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-39890

Gitlab » Gitlab
Versions from including (>=) 14.2.0 and before (<) 14.2.5
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Matching versions
Gitlab » Gitlab
Versions from including (>=) 14.1.1 and before (<) 14.1.7
cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Matching versions
Gitlab » Gitlab » Version: 14.3.0 Community Edition
cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Version: 14.3.0 Enterprise Edition
cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:enterprise:*:*:*
Matching versions
Gitlab » Gitlab » Version: 14.3.1 Community Edition
cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:community:*:*:*
Matching versions
Gitlab » Gitlab » Version: 14.3.1 Enterprise Edition
cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:enterprise:*:*:*
Matching versions

EPSS FAQ

0.41%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 74 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
3.1	LOW	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N	1.6	1.4	GitLab Inc.
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: None Availability: None
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

Assigned by: nvd@nist.gov (Primary)

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json

2021/CVE-2021-39890.json · master · GitLab.org / cves · GitLab
Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/341522

Not Found
Broken Link;Third Party Advisory

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