Auth bypass in [Unknown] Openstack-Keystone
CVE-2017-2673
An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone). An authenticated federated user could request permissions to a project and unintentionally be granted all related roles including administrative roles.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: -0.000
Affected products
- [Unknown] Openstack-Keystone
- Red Hat OpenStack — versions 9, 10
Weakness classification (CWE)
References
- seclists.org/oss-sec/2017/q2/125 (mailing-list, Patch, Mailing List, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Issue Tracking, Vendor Advisory)
- bugs.launchpad.net/keystone/+bug/1677723 (Exploit, Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2017:1461 (vendor-advisory, Vendor Advisory)
- access.redhat.com/errata/RHSA-2017:1597 (vendor-advisory, Vendor Advisory)
- www.securityfocus.com/bid/98032 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-2673?
- CVE-2017-2673 is a medium-severity vulnerability in [Unknown] Openstack-Keystone, classified under Incorrect Authorization. CVSS score: 6.8/10. Published 2018-07-19.
- How severe is CVE-2017-2673?
- Medium severity. CVSS v3 base score is 6.8 out of 10.