CVE-2020-13300

CriticalCVSS 10.0/10Last modified Jun 17, 2026

Description

GitLab CE/EE version 13.3 prior to 13.3.4 was vulnerable to an OAuth authorization scope change without user consent in the middle of the authorization flow.

Metrics

CVSS 3.1 10.0/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-863

Affected software

VendorProductVersions
GitLabGitLab>=13.3, <13.3.4

References

Timeline

Published
Sep 14, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-133014.8A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a stored XSS on the standaloneCVE-2020-133027.2A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Under certain conditions GitLab was not properly revokiCVE-2020-133036.5A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Due to improper verification of permissions, an unauthoCVE-2020-133047.2A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Same 2 factor Authentication secret code was generated CVE-2020-133054.3A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not invalidating project invitation link upoCVE-2020-133067.5A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab Webhook feature could be abused to perform deniaCVE-2020-133074.7A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was not revoking current user sessions when 2 faCVE-2020-133082.7A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. A user without 2 factor authentication enabled could beCVE-2020-133098.8A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. GitLab was vulnerable to a blind SSRF attack through thCVE-2020-13315.4A spoofing vulnerability exists when System Center Operations Manager (SCOM) does not properly sanitize a specially crafted web request to aCVE-2020-133106.5A vulnerability was discovered in GitLab runner versions before 13.1.3, 13.2.3 and 13.3.1. It was possible to make the gitlab-runner processCVE-2020-133114.3A vulnerability was discovered in GitLab versions before 13.1.10, 13.2.8 and 13.3.4. Wiki was vulnerable to a parser attack that prohibits a
CVE-2020-13300: Critical severity, CVSS 10.0 | Vulnix