GitLab Community Edition/Enterprise Edition up to 13.0 API Call 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 (≈)
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in GitLab Community Edition and Enterprise Edition up to 13.0. Affected is an unknown function of the component API Call Handler. This manipulation causes access control. This vulnerability is tracked as CVE-2021-39903. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in GitLab Community Edition and Enterprise Edition up to 13.0 (Bug Tracking Software) and classified as critical. Affected by this vulnerability is some unknown functionality of the component API Call Handler. 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 weakness was disclosed 11/05/2021 as 30001. The advisory is shared at gitlab.com. This vulnerability is known as CVE-2021-39903 since 08/23/2021. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.6

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

CNA Base Score: 6.5
CNA Vector (GitLab Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
11/05/2021 +74 days 🔍
11/05/2021 +0 days 🔍
11/10/2021 +4 days 🔍

Sourcesinfo

Vendor: gitlab.com

Advisory: 30001
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-39903 (🔍)
GCVE (CVE): GCVE-0-2021-39903
GCVE (VulDB): GCVE-100-186097

Entryinfo

Created: 11/05/2021 11:34
Updated: 11/10/2021 00:36
Changes: 11/05/2021 11:34 (50), 11/10/2021 00:36 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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