An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone).
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.
- Published
- Jul 19, 2018
- Updated
- Jun 16, 2026
- EPSS
- 2.1% · 81th percentile
- CWE
- CWE-863
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Report tools
Action score
29
Monitor
Low priority for now.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 2.1%
CNA vs NVD score
- NVD
- 7.2
- CNA · redhat
- 6.8
- 0.4 point gap
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| redhat | openstack | cpe:2.3:a:redhat:openstack |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- redhat openstack10
- redhat openstack9
Versions reported by the vendor
Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.
[UNKNOWN] openstack-keystone
- n/aaffected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | keystone | before 2:10.0.0-9 | 2:10.0.0-9 |
| PyPI | keystone | from 10.0.0 · before 10.0.2 | 10.0.2 |
| PyPI | keystone | from 11.0.0 · before 11.0.1 | 11.0.1 |
| PyPI | keystone | from 9.0.0 · before 10.0.2 | 10.0.2 |
| PyPI | keystone | from 9.0.0 · up to and including 9.3.0 | — |
| Red Hat:openstack:10::el7 | openstack-keystone | before 1:10.0.1-3.el7ost | 1:10.0.1-3.el7ost |
| Red Hat:openstack:10::el7 | python-keystone | before 1:10.0.1-3.el7ost | 1:10.0.1-3.el7ost |
| Red Hat:openstack:10::el7 | python-keystone-tests | before 1:10.0.1-3.el7ost | 1:10.0.1-3.el7ost |
| Red Hat:openstack:9::el7 | openstack-keystone | before 1:9.3.0-2.el7ost | 1:9.3.0-2.el7ost |
| Red Hat:openstack:9::el7 | python-keystone | before 1:9.3.0-2.el7ost | 1:9.3.0-2.el7ost |
| Red Hat:openstack:9::el7 | python-keystone-tests | before 1:9.3.0-2.el7ost | 1:9.3.0-2.el7ost |
Same product
redhat: all recordsOther highest-scoring records for the same primary product.
- CVE-2015-1842The puppet manifests in the Red Hat openstack-puppet-modules package before 2014.2.13-2 uses a default password of CHANGEME for the pcsd dae42Plan
- CVE-2017-2637A design flaw issue was found in the Red Hat OpenStack Platform director use of TripleO to enable libvirtd based live-migration.41Plan
- CVE-2018-14620The OpenStack RabbitMQ container image insecurely retrieves the rabbitmq_clusterer component over HTTP during the build stage.39Monitor
- CVE-2022-38065A privilege escalation vulnerability exists in the oslo.privsep functionality of OpenStack git master 05194e7618 and prior.35Monitor
- CVE-2016-4474The image build process for the overcloud images in Red Hat OpenStack Platform 8.0 (Liberty) director and Red Hat Enterprise Linux OpenStack35Monitor
- CVE-2016-4985The ironic-api service in OpenStack Ironic before 4.2.5 (Liberty) and 5.x before 5.1.2 (Mitaka) allows remote attackers to obtain sensitive 31Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:keystone | 2:10.0.0-9 · Debian:12 | Package registry (OSV) |
| PyPI:keystone | 10.0.2 | Package registry (OSV) |
| PyPI:keystone | 11.0.1 | Package registry (OSV) |
| red hat:openstack-keystone | 1:9.3.0-2.el7ost · Red Hat:openstack:9::el7 | Package registry (OSV) |
| red hat:python-keystone | 1:9.3.0-2.el7ost · Red Hat:openstack:9::el7 | Package registry (OSV) |
| red hat:python-keystone-tests | 1:9.3.0-2.el7ost · Red Hat:openstack:9::el7 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- Administrator privileges are required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- High
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-863 · Incorrect AuthorizationCVSS vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- seclists.org/oss-sec/2017/q2/125
- www.securityfocus.com/bid/98032
- access.redhat.com/errata/RHSA-2017:1461
- access.redhat.com/errata/RHSA-2017:1597
- bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2673
Vendor advisories and official records. Exploit/PoC links are deliberately left out.