CVE-2017-2673
An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone).
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.10%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.2 HIGHCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.10% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-863
- Affected
- redhat/openstack
- Source
- secalert@redhat.com
EPSS 2.1% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://seclists.org/oss-sec/2017/q2/125Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98032Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1461Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1597Vendor Advisory
- https://bugs.launchpad.net/keystone/+bug/1677723Exploit, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2673Issue Tracking, Patch, Vendor Advisory
- http://seclists.org/oss-sec/2017/q2/125Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/98032Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2017:1461Vendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1597Vendor Advisory
- https://bugs.launchpad.net/keystone/+bug/1677723Exploit, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2673Issue Tracking, Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.