GitLab Remote Development up to 16.5.5/16.6.3/16.7.1 access control

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5$0-$5k0.97

Summaryinfo

A vulnerability, which was classified as critical, has been found in GitLab Remote Development up to 16.5.5/16.6.3/16.7.1. This affects an unknown part. This manipulation causes access control. This vulnerability is registered as CVE-2023-6955. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in GitLab Remote Development up to 16.5.5/16.6.3/16.7.1 (Bug Tracking Software). Affected by this vulnerability is an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An improper access control vulnerability exists in GitLab Remote Development affecting all versions prior to 16.5.6, 16.6 prior to 16.6.4 and 16.7 prior to 16.7.2. This condition allows an attacker to create a workspace in one group that is associated with an agent from another group.

The weakness was published 01/12/2024. It is possible to read the advisory at gitlab.com. This vulnerability is known as CVE-2023-6955 since 12/19/2023. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 253221 (Linux Distros Unpatched Vulnerability : CVE-2023-6955), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (253221) and EUVD (EUVD-2023-59151). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CNA Base Score: 6.6
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 253221
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-6955

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Remote Development 16.5.6/16.6.4/16.7.2

Timelineinfo

12/19/2023 🔍
01/12/2024 +24 days 🔍
01/12/2024 +0 days 🔍
06/21/2026 +890 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 43218
Status: Confirmed

CVE: CVE-2023-6955 (🔍)
GCVE (CVE): GCVE-0-2023-6955
GCVE (VulDB): GCVE-100-250615
EUVD: 🔍

Entryinfo

Created: 01/12/2024 15:14
Updated: 06/21/2026 01:59
Changes: 01/12/2024 15:14 (49), 02/02/2024 17:33 (1), 02/02/2024 17:40 (11), 08/30/2024 17:22 (16), 08/24/2025 19:28 (2), 06/21/2026 01:59 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!