CVE-2021-22254

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Under very specific conditions a user could be impersonated using Gitlab shell. This vulnerability affects GitLab CE/EE 13.1 and later through 14.1.2, 14.0.7 and 13.12.9.

En condiciones muy específicas se podría suplantar la identidad de un usuario usando el shell de Gitlab. Esta vulnerabilidad afecta a GitLab CE/EE versión 13.1 y posteriores hasta 14.1.2, 14.0.7 y 13.12.9.

*Credits: Thanks ledz1996 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

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-01-05 CVE Reserved
2021-08-20 CVE Published
2023-07-07 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-116: Improper Encoding or Escaping of Output

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/300265	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22254.json	2021-08-26

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"				>= 13.1.0 < 13.12.9 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.1.0 < 13.12.9"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.1.0 < 13.12.9 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.1.0 < 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"		community		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"		community		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