CVE-2020-13355

Severity Score

8.1

*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 8.14. A path traversal is found in LFS Upload that allows attacker to overwrite certain specific paths on the server. Affected versions are: >=8.14, <13.3.9,>=13.4, <13.4.5,>=13.5, <13.5.2.

Se ha detectado un problema en GitLab CE/EE que afecta a todas las versiones a partir de 8.14. En LFS Upload se encuentra un salto de ruta que permite a un atacante sobrescribir determinadas rutas específicas en el servidor. Las versiones afectadas son: versiones posteriores a 8.14 incluyéndola, versiones anteriores a 13.3.9, versiones posteriores a 13.4 incluyéndola, versiones anteriores a 13.4.5, versiones posteriores a 13.5 incluyéndola, versiones anteriores a 13.5.2

*Credits: Thanks [saltyyolk](https://hackerone.com/saltyyolk) 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

None

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-05-21 CVE Reserved
2020-11-18 CVE Published
2023-03-07 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CAPEC

References (2)

URL	Tag	Source
https://gitlab.com/gitlab-org/gitlab/-/issues/255886	Broken Link

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13355.json	2020-12-01

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"				>= 8.14.0 < 13.3.9 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.14.0 < 13.3.9"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 8.14.0 < 13.3.9 Search vendor "Gitlab" for product "Gitlab" and version " >= 8.14.0 < 13.3.9"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.4.0 < 13.4.5 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.4.0 < 13.4.5"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.4.0 < 13.4.5 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.4.0 < 13.4.5"		enterprise		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.5.0 < 13.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.5.0 < 13.5.2"		community		Affected
Gitlab Search vendor "Gitlab"		Gitlab Search vendor "Gitlab" for product "Gitlab"				>= 13.5.0 < 13.5.2 Search vendor "Gitlab" for product "Gitlab" and version " >= 13.5.0 < 13.5.2"		enterprise		Affected