CVE-2021-39934

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 access control allows any project member to retrieve the service desk email address in GitLab CE/EE versions starting 12.10 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2.

Un control de acceso inapropiado permite a cualquier miembro del proyecto recuperar la dirección de correo electrónico de la mesa de servicio en GitLab CE/EE versiones a partir de 12.10 anteriores a 14.3.6, todas las versiones a partir de 14.4 anteriores a 14.4.4, todas las versiones a partir de 14.5 anteriores a 14.5.2

*Credits: Thanks @gratitude101 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

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-23 CVE Reserved
2021-12-13 CVE Published
2023-10-30 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-639: Authorization Bypass Through User-Controlled Key

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39934.json	Third Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/342823	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"				>= 12.10.0 < 14.3.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 12.10.0 < 14.3.6"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 12.10.0 < 14.3.6 Search vendor "Gitlab" for product "Gitlab" and version " >= 12.10.0 < 14.3.6"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.4.0 < 14.4.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.4.0 < 14.4.4"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.4.0 < 14.4.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.4.0 < 14.4.4"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.5.0 < 14.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.5.0 < 14.5.2"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.5.0 < 14.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.5.0 < 14.5.2"		enterprise		Affected