CVE-2021-22181
GitLab vulnerability analysis and mitigation

Overview

A denial of service vulnerability was identified in GitLab CE/EE, tracked as CVE-2021-22181, affecting all versions since 11.8. The vulnerability was discovered and assigned on January 5, 2021, and was publicly disclosed on June 11, 2021. The vulnerability affects both Community Edition (CE) and Enterprise Edition (EE) versions of GitLab (CVE Details).

Technical details

The vulnerability is classified as CWE-400 (Uncontrolled Resource Consumption). It received a CVSS v3.1 base score of 6.5 (MEDIUM) from NIST with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H, while GitLab Inc. assessed it with a higher CVSS score of 7.7 (HIGH) with vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H (NVD).

Impact

The vulnerability allows an attacker to create a recursive pipeline relationship that can lead to resource exhaustion, potentially causing denial of service conditions in the affected GitLab instances (CVE Details).

Mitigation and workarounds

Fixed versions have been released for various GitLab releases. The vulnerability has been patched in versions 13.10.5, 13.11.5, and 13.12.2 for both Community and Enterprise editions (NVD).

Additional resources


SourceThis report was generated using AI

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