VULNERABILITY INTELLIGENCE

CVE-2016-4911

CVSS score4.3 MEDIUM
EPSS probability1.40%
CISA KEVNot currently listed
Published2016-06-13
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Fernet Token Provider in OpenStack Identity (Keystone) 9.0.x before 9.0.1 (mitaka) allows remote authenticated users to prevent revocation of a chain of tokens and bypass intended access restrictions by rescoping a token.

Weakness classification

  • CWE-284: Improper Access Control

Primary references