CVE-2020-12691

HIGH8.8EPSS 3.6%

OpenStack Keystone V3 /credentials endpoint policy logic allows to change credentials owner or target project ID

Published: 5/24/2022Modified: 9/27/2024
Also known as:GHSA-4427-7f3w-mqv6DEBIAN-CVE-2020-12691PYSEC-2020-55

Description

An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any authenticated user can create an EC2 credential for themselves for a project that they have a specified role on, and then perform an update to the credential user and project, allowing them to masquerade as another user. This potentially allows a malicious user to act as the admin on a project another user has the admin role on, which can effectively grant that user global admin privileges.

Affected packages (3)

CVSS scores

SourceVersionSeverityVector
osvCVSS 4.0—CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
osvCVSS 3.1HIGH8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References (15)