CVE-2021-39886

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Permissions rules were not applied while issues were moved between projects of the same group in GitLab versions starting with 10.6 and up to 14.1.7 allowing users to read confidential Epic references.

Las reglas de permisos no se aplicaban mientras las incidencias se movían entre proyectos del mismo grupo en las versiones de GitLab a partir de la 10.6 y hasta la 14.1.7, permitiendo a usuarios leer referencias Ëpicas confidenciales

*Credits: This vulnerability was discovered internally by the GitLab team.

CVSS Scores

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

High

Privileges Required

Low

User Interaction

Required

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
2021-10-05 CVE Published
2023-04-28 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/330520	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39886.json	2021-10-09

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"				>= 10.6.0 < 14.1.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 10.6.0 < 14.1.7"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 10.6.0 < 14.1.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 10.6.0 < 14.1.7"		enterprise		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"		community		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"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.3.0 < 14.3.1 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.3.0 < 14.3.1"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.3.0 < 14.3.1 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.3.0 < 14.3.1"		enterprise		Affected