GitLab Community Edition/Enterprise Edition up to 13.3.8/13.4.4/13.5.1 LFS Upload CE/EE path traversal

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CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

A vulnerability was found in GitLab Community Edition and Enterprise Edition up to 13.3.8/13.4.4/13.5.1 (Bug Tracking Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the file CE/EE of the component LFS Upload. The manipulation with an unknown input leads to a directory traversal vulnerability. The CWE definition for the vulnerability is CWE-22. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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, =13.4, =13.5,

The weakness was released 11/19/2020. The advisory is shared at hackerone.com. This vulnerability is known as CVE-2020-13355 since 05/21/2020. The exploitation appears to be difficult. The attack can be launched remotely. The requirement for exploitation is a single authentication. Technical details are known, but no exploit is available.

Upgrading to version 13.3.9, 13.4.5 or 13.5.2 eliminates this vulnerability.

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CPE 2.3infoedit

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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔒

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

NVD Base Score: 🔒

Exploitinginfoedit

Class: Directory traversal
CWE: CWE-22
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Community Edition/Enterprise Edition 13.3.9/13.4.5/13.5.2

Timelineinfoedit

05/21/2020 CVE assigned
11/19/2020 +182 days Advisory disclosed
11/19/2020 +0 days VulDB entry created
12/08/2020 +19 days VulDB last update

Sourcesinfoedit

Vendor: https://gitlab.com/

Advisory: hackerone.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2020-13355 (🔒)

Entryinfoedit

Created: 11/19/2020 06:43 AM
Updated: 12/08/2020 09:15 PM
Changes: (19) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a vulnerability_cvss2_nvd_av vulnerability_cvss2_nvd_ac vulnerability_cvss2_nvd_au vulnerability_cvss2_nvd_ci vulnerability_cvss2_nvd_ii vulnerability_cvss2_nvd_ai source_cve_cna vulnerability_cvss3_meta_basescore vulnerability_cvss3_meta_tempscore vulnerability_cvss2_nvd_basescore vulnerability_cvss3_nvd_basescore
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