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Vulnerability DatabaseCVE-2021-22190

CVE-2021-22190: 
GitLab vulnerability analysis and mitigation

Overview

A path traversal vulnerability (CVE-2021-22190) was discovered in all versions of GitLab via the GitLab Workhorse component that could result in the leakage of a JWT token. The vulnerability was reported through GitLab's HackerOne bug bounty program by researcher @ledz1996 and was publicly disclosed on March 4, 2021 (GitLab Release).

Technical details

The vulnerability is classified as CWE-22 (Improper Limitation of a Pathname to a Restricted Directory - 'Path Traversal'). It received a CVSS v3.1 base score of 6.5 (MEDIUM) from NIST with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N, indicating network accessibility, low attack complexity, and high confidentiality impact (NVD).

Impact

The vulnerability could lead to the exposure of JWT (JSON Web Token) tokens, potentially compromising authentication and authorization mechanisms within GitLab installations (GitLab Release).

Mitigation and workarounds

GitLab addressed this vulnerability in versions 13.9.2, 13.8.5, and 13.7.8 for both Community Edition (CE) and Enterprise Edition (EE). Users are strongly recommended to upgrade to these patched versions immediately (GitLab Release).

Additional resources

Source: This report was generated using AI

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