GitLab Enterprise Edition up to 13.0.1 Project Maintainer Impersonation privileges management

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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 Enterprise Edition up to 13.0.1 (Bug Tracking Software). It has been declared as critical. Affected by this vulnerability is an unknown code block of the component Project Maintainer Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability (Impersonation). The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An authorization issue relating to project maintainer impersonation was identified in GitLab EE 9.5 and later through 13.0.1 that could allow unauthorized users to impersonate as a maintainer to perform limited actions.

The weakness was disclosed 06/19/2020 (Website). The advisory is shared at gitlab.com. This vulnerability is known as CVE-2020-13263 since 05/21/2020. The exploitation appears to be difficult. The attack can be launched remotely. The requirement for exploitation is a single authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/26/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfoedit

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CVSSv3infoedit

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

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

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2infoedit

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

Exploitinginfoedit

Name: Impersonation
Class: Privilege escalation / Impersonation
CWE: CWE-269
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

05/21/2020 CVE assigned
06/19/2020 +29 days Advisory disclosed
06/21/2020 +2 days VulDB entry created
10/26/2020 +127 days VulDB last update

Sourcesinfoedit

Vendor: https://gitlab.com/

Advisory: gitlab.com
Status: Not defined
Confirmation: 🔒

CVE: CVE-2020-13263 (🔒)

Entryinfoedit

Created: 06/21/2020 09:30 AM
Updated: 10/26/2020 08:32 AM
Changes: (1) source_cve_cna
Complete: 🔍

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