CVE-2016-4911

MEDIUM

OpenStack Identity (Keystone) 9.0.0 - Authenticated Improper Access Control via Fernet Token Rescoping

Title source: llm
STIX 2.1

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.

References (6)

Core 6
Core References
Vendor Advisory x_refsource_confirm
https://bugs.launchpad.net/keystone/+bug/1577558
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/17/10
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/90728
Patch, Vendor Advisory x_refsource_confirm
https://security.openstack.org/ossa/OSSA-2016-008.html
Vendor Advisory x_refsource_confirm
https://review.openstack.org/#/c/311886/
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2016/05/17/11

Scores

CVSS v3 4.3
EPSS 0.0140
EPSS Percentile 69.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Details

CWE
CWE-284
Status published
Products (2)
keystone/openstack_identity 9.0.0.0 rc1 (3 CPE variants)
pypi/keystone 9.0.0 - 9.0.1PyPI
Published Jun 13, 2016
Tracked Since Feb 18, 2026