openstack-keystone: Incorrect role assignment with federated Keystone
Published Jul 19, 2018
8.6
HIGHCVSS 4.0
EPSS 2.10%
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.
Affected products
- Vendor n/a Product Openstack-Keystone Defaultn/a
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||
|---|---|---|---|---|---|---|
| n/a | Openstack-Keystone | n/a |
|
No data.
Red Hat OpenStack Platform 10.0 (Newton)
openstack-keystone-1:10.0.1-3.el7ost
Fixed · RHSA-2017:1597
Red Hat OpenStack Platform 9.0 (Mitaka)
openstack-keystone-1:9.3.0-2.el7ost
Fixed · RHSA-2017:1461
Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse)
openstack-keystone
Not affected
Red Hat Enterprise Linux OpenStack Platform 6 (Juno)
openstack-keystone
Not affected
Red Hat Enterprise Linux OpenStack Platform 7 (Kilo)
openstack-keystone
Not affected
Red Hat OpenStack Platform 11 (Ocata)
openstack-keystone
Affected
Red Hat OpenStack Platform 8 (Liberty)
openstack-keystone
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenStack Platform 10.0 (Newton) | openstack-keystone-1:10.0.1-3.el7ost | Fixed | RHSA-2017:1597 |
| Red Hat OpenStack Platform 9.0 (Mitaka) | openstack-keystone-1:9.3.0-2.el7ost | Fixed | RHSA-2017:1461 |
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | openstack-keystone | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | openstack-keystone | Not affected | n/a |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | openstack-keystone | Not affected | n/a |
| Red Hat OpenStack Platform 11 (Ocata) | openstack-keystone | Affected | n/a |
| Red Hat OpenStack Platform 8 (Liberty) | openstack-keystone | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.10% (0.02097) | 80.99th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.11% (0.02106) | 79.27th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.37% (0.01366) | 78.41th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.27% (0.04273) | 81.03th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.37% (0.01366) | 78.88th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.36% (0.00355) | 72.88th | v3 (v2023.03.01) |
| May 3, 2024 | 0.36% (0.00355) | 71.86th | v3 (v2023.03.01) |
| Mar 7, 2024 | 0.50% (0.00504) | 75.93th | v3 (v2023.03.01) |
| Dec 10, 2023 | 0.69% (0.00691) | 77.85th | v3 (v2023.03.01) |
| Nov 18, 2023 | 0.70% (0.00702) | 78.06th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.99% (0.00993) | 81.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00627) | 75.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.03% (0.01034) | 20.32th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (14)
- http://seclists.org/oss-sec/2017/q2/125 mailing-listx_refsource_MLISTMailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/98032 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2017:1461 vendor-advisoryx_refsource_REDHATVendor Advisory
- https://access.redhat.com/errata/RHSA-2017:1597 vendor-advisoryx_refsource_REDHATVendor Advisory
- https://access.redhat.com/security/cve/CVE-2017-2673 Vendor Advisory
- https://bugs.launchpad.net/keystone/+bug/1677723 x_refsource_CONFIRMExploitPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1439586 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2673 x_refsource_CONFIRMIssue TrackingPatchVendor Advisory
- https://github.com/advisories/GHSA-j36m-hv43-7w7m Advisory
- https://github.com/openstack/keystone/commit/05a129e54573b6cbda1ec095f4526f2b9ba90a90
- https://github.com/openstack/keystone/commit/2139639eeabc8f6941f4461fc87d609cde3118c2
- https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2018-152.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2017-2673
- https://www.cve.org/CVERecord?id=CVE-2017-2673
Change history (0)
No recorded changes yet.