CVE-2016-4911
Publication date 13 June 2016
Last updated 25 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| keystone | ||
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release | |
Notes
Severity score breakdown
CVSS version: CVSS v3.0
Base score
4.3 · Medium
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N