Vulnerability in Keystone OpenStack Identity

CVE-2016-4911

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.

EPSS: 0.014 (69.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 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.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2016-4911?
CVE-2016-4911 is a medium-severity vulnerability in Keystone OpenStack Identity, classified under Improper Access Control. CVSS score: 4.3/10. Published 2016-06-13.
How severe is CVE-2016-4911?
Medium severity. CVSS v3 base score is 4.3 out of 10.