CVE-2021-22251

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Improper validation of invited users' email address in GitLab EE affecting all versions since 12.2 allowed projects to add members with email address domain that should be blocked by group settings

Una comprobación inapropiada de la dirección de correo electrónico de los usuarios invitados en GitLab EE, afectando a todas las versiones desde la 12.2, permitía que los proyectos añadieran miembros con un dominio de dirección de correo electrónico que debería estar bloqueado por la configuración del grupo.

*Credits: Thanks @ashish_r_padelkar for reporting this vulnerability through our HackerOne bug bounty program

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-05 CVE Reserved
2021-08-23 CVE Published
2023-11-15 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-863: Incorrect Authorization

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC
https://gitlab.com/gitlab-org/gitlab/-/issues/14004	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22251.json	2021-08-28

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"				>= 12.2.0 < 13.12.9 Search vendor "Gitlab" for product "Gitlab" and version " >= 12.2.0 < 13.12.9"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.0.0 < 14.0.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.0.0 < 14.0.7"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.1.0 < 14.1.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.1.0 < 14.1.2"		enterprise		Affected