GitLab Community Edition/Enterprise Edition up to 16.5.5/16.6.3/16.7.1 authorization

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in GitLab Community Edition and Enterprise Edition up to 16.5.5/16.6.3/16.7.1. This vulnerability affects unknown code. Such manipulation leads to authorization. This vulnerability is documented as CVE-2023-5356. The attack can be executed remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GitLab Community Edition and Enterprise Edition up to 16.5.5/16.6.3/16.7.1 (Bug Tracking Software). Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Incorrect authorization checks in GitLab CE/EE from all versions starting from 8.13 before 16.5.6, all versions starting from 16.6 before 16.6.4, all versions starting from 16.7 before 16.7.2, allows a user to abuse slack/mattermost integrations to execute slash commands as another user.

The weakness was released 01/12/2024. The advisory is shared for download at gitlab.com. This vulnerability is handled as CVE-2023-5356 since 10/03/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 16.5.6, 16.6.4 or 16.7.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-57672). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 9.6
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Community Edition/Enterprise Edition 16.5.6/16.6.4/16.7.2

Timelineinfo

10/03/2023 🔍
01/12/2024 +101 days 🔍
01/12/2024 +0 days 🔍
11/20/2025 +678 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 42715
Status: Confirmed

CVE: CVE-2023-5356 (🔍)
GCVE (CVE): GCVE-0-2023-5356
GCVE (VulDB): GCVE-100-250616
EUVD: 🔍

Entryinfo

Created: 01/12/2024 15:15
Updated: 11/20/2025 14:09
Changes: 01/12/2024 15:15 (48), 02/02/2024 17:47 (1), 02/02/2024 17:55 (12), 11/20/2025 14:09 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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