CVE-2020-13334

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, improper authorization checks allow a non-member of a project/group to change the confidentiality attribute of issue via mutation GraphQL query

En GitLab versiones anteriores a 13.2.10, 13.3.7 y 13.4.2, unas comprobaciones inapropiadas de autorización permiten a un no miembro de un proyecto y de un grupo cambiar el atributo de confidencialidad del problema por medio de una consulta GraphQL de mutación

*Credits: Thanks [0xwintermute](https://hackerone.com/0xwintermute) for reporting this vulnerability through our HackerOne bug bounty program

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-21 CVE Reserved
2020-10-07 CVE Published
2024-08-04 CVE Updated
2024-08-11 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-863: Incorrect Authorization

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/195327	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13334.json	2020-10-15

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"				>= 8.6.0 < 13.2.10 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.6.0 < 13.2.10"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.6.0 < 13.2.10 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.6.0 < 13.2.10"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.3.0 < 13.3.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.3.0 < 13.3.7"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.3.0 < 13.3.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.3.0 < 13.3.7"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.4.0 < 13.4.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.4.0 < 13.4.2"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.4.0 < 13.4.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.4.0 < 13.4.2"		enterprise		Affected