CVE-2020-13270

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

Missing permission check on fork relation creation in GitLab CE/EE 11.3 and later through 13.0.1 allows guest users to create a fork relation on restricted public projects via API

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-862

Affected software

No affected versions have been published.

Timeline

Published: Jun 10, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-132716.1A Stored Cross-Site Scripting vulnerability allowed the execution of arbitrary Javascript code in the blobs API in all previous GitLab CE/EE CVE-2020-132728.8OAuth flow missing verification checks CE/EE 12.3 and later through 13.0.1 allows unverified user to use OAuth authorization code flow CVE-2020-132737.5A Denial of Service vulnerability allowed exhausting the system resources in GitLab CE/EE 12.0 and later through 13.0.1 CVE-2020-132747.5A security issue allowed achieving Denial of Service attacks through memory exhaustion by uploading malicious artifacts in all previous GitL CVE-2020-132758.1A user with an unverified email address could request an access to domain restricted groups in GitLab EE 12.2 and later through 13.0.1 CVE-2020-132764.3User is allowed to set an email as a notification email even without verifying the new email in all previous GitLab CE/EE versions through 1 CVE-2020-132776.5An authorization issue in the mirroring logic allowed read access to private repositories in GitLab CE/EE 10.6 and later through 13.0.5 CVE-2020-132786.1Reflected Cross-Site Scripting vulnerability in Modules.php in RosarioSIS Student Information System < 6.5.1 allows remote attackers to exec CVE-2020-132798.6Client side code execution in gitlab-vscode-extension v2.2.0 allows attacker to execute code on user system CVE-2020-132806.5For GitLab before 13.0.12, 13.1.6, 13.2.3 a memory exhaustion flaw exists due to excessive logging of an invite email error message.CVE-2020-132816.5For GitLab before 13.0.12, 13.1.6, 13.2.3 a denial of service exists in the project import feature CVE-2020-132823.5For GitLab before 13.0.12, 13.1.6, 13.2.3 after a group transfer occurs, members from a parent group keep their access level on the subgroup