CVE-2021-39890
GitLab LDAP 2FA Authentication Bypass
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.
INFO
Published Date :
Dec. 6, 2021, 6:15 p.m.
Last Modified :
Nov. 21, 2024, 6:20 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.9
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2021-39890.
| URL | Resource |
|---|---|
| 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 Third Party Advisory |
| 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 Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2021-39890 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2021-39890 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json Added Reference https://gitlab.com/gitlab-org/gitlab/-/issues/341522 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Dec. 07, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Changed Reference Type https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json No Types Assigned https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39890.json Third Party Advisory Changed Reference Type https://gitlab.com/gitlab-org/gitlab/-/issues/341522 No Types Assigned https://gitlab.com/gitlab-org/gitlab/-/issues/341522 Broken Link, Third Party Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* versions from (including) 14.1.1 up to (excluding) 14.1.7 *cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:* versions from (including) 14.2.0 up to (excluding) 14.2.5 *cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:community:*:*:* *cpe:2.3:a:gitlab:gitlab:14.3.0:*:*:*:enterprise:*:*:* *cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:community:*:*:* *cpe:2.3:a:gitlab:gitlab:14.3.1:*:*:*:enterprise:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2021-39890 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2021-39890
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.41 }} 0.11%
score
0.74252
percentile