CVE-2021-22234

Severity Score

6.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.11 before 13.11.7, all versions starting from 13.12 before 13.12.8, and all versions starting from 14.0 before 14.0.4. A specially crafted design image allowed attackers to read arbitrary files on the server.

Se ha descubierto un problema en GitLab CE/EE que afecta a todas las versiones a partir de la 13.11 antes de la 13.11.7, a todas las versiones a partir de la 13.12 antes de la 13.12.8 y a todas las versiones a partir de la 14.0 antes de la 14.0.4. Una imagen de diseño especialmente diseñada permitía a los atacantes leer archivos arbitrarios en el servidor

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

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Network

Attack Complexity

Medium

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
2021-08-05 CVE Published
2023-03-08 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://hackerone.com/reports/1212067	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22234.json	2022-07-22
https://gitlab.com/gitlab-org/gitlab/-/issues/335205	2022-07-22

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"				>= 13.11.0 <= 13.11.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.11.0 <= 13.11.7"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.11.0 <= 13.11.7 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.11.0 <= 13.11.7"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.12.0 <= 13.12.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.12.0 <= 13.12.8"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.12.0 <= 13.12.8 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.12.0 <= 13.12.8"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.0.0 <= 14.0.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.0.0 <= 14.0.4"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 14.0.0 <= 14.0.4 Search vendor "Gitlab" for product "Gitlab" and version " >= 14.0.0 <= 14.0.4"		enterprise		Affected