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
- Keystone Openstack_identity — versions 9.0.0.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List)
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.