GitLab Enterprise Edition up to 17.6.4/17.7.3/17.8.1 External Service confused deputy

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in GitLab Enterprise Edition up to 17.6.4/17.7.3/17.8.1. The affected element is an unknown function of the component External Service Handler. The manipulation leads to confused deputy. This vulnerability is referenced as CVE-2024-9870. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in GitLab Enterprise Edition up to 17.6.4/17.7.3/17.8.1 and classified as problematic. This issue affects an unknown code of the component External Service Handler. The manipulation with an unknown input leads to a confused deputy vulnerability. Using CWE to declare the problem leads to CWE-441. The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. This causes the product to appear to be the source of the request, leading it to act as a proxy or other intermediary between the upstream component and the external actor. Impacted is confidentiality. The summary by CVE is:

An external service interaction vulnerability in GitLab EE affecting all versions from 15.11 prior to 17.6.5, 17.7 prior to 17.7.4, and 17.8 prior to 17.8.2 allows an attacker to send requests from the GitLab server to unintended services.

The weakness was published by retr02332 as 498911. The advisory is shared at gitlab.com. The identification of this vulnerability is CVE-2024-9870 since 10/11/2024. The exploitation is known to be easy. The attack may be initiated remotely. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 253565 (Linux Distros Unpatched Vulnerability : CVE-2024-9870), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 17.6.5, 17.7.4 or 17.8.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (253565). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 4.3
CNA Vector (GitLab): 🔍

CVSSv2info

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

Exploitinginfo

Class: Confused deputy
CWE: CWE-441
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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Nessus ID: 253565
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2024-9870

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Enterprise Edition 17.6.5/17.7.4/17.8.2

Timelineinfo

10/11/2024 🔍
02/12/2025 +124 days 🔍
02/12/2025 +0 days 🔍
08/22/2025 +191 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 498911
Researcher: retr02332
Status: Confirmed

CVE: CVE-2024-9870 (🔍)
GCVE (CVE): GCVE-0-2024-9870
GCVE (VulDB): GCVE-100-295565

Entryinfo

Created: 02/12/2025 20:44
Updated: 08/22/2025 22:14
Changes: 02/12/2025 20:44 (66), 08/06/2025 22:18 (12), 08/22/2025 22:14 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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