The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a…
Priority LOW 16CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- Partial Red Hat: 1 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-264.
Summary
The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for a user who does not have that role, adds the role to the user, which allows local users to gain privileges.
Why it matters now
EPSS 0.00447 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial keystone (PyPI): 8.0.0a0Red Hat: 1 advisoryRed Hat: 1 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | keystone (PyPI) | before 8.0.0a0 | 8.0.0a0 | Patch available | GHSA-f889-wfwm-6p7m |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- keystone (PyPI) Vendor— Affected before 8.0.0a0 Fixed in 8.0.0a0 Patch available GHSA-f889-wfwm-6p7m
Remediation
- Fix · GHSA-f889-wfwm-6p7m keystone (PyPI) Fixed in 8.0.0a0 Advisory →
Red Hat 1 advisory
- RHSA-2014:0113 Released 2014-01-30 · Red Hat rating Moderateopenstack-keystone security update
- Red Hat Enterprise Linux OpenStack Platform 3.0 openstack-keystone-2013.1.4-2.el6ost, openstack-keystone-doc-2013.1.4-2.el6ost, python-keystone-2013.1.4-2.el6ost
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenStack Platform 4 | Affected | No fix yet |
| Red Hat Enterprise Linux OpenStack Platform 3.0 | Fixed | RHSA-2014:0113 |
Timeline
- 2026-10-02 Threatist record created from CVE-2013-4477
- 2026-10-03 Alias added: GHSA-f889-wfwm-6p7m
References
More OpenStack Grizzly vulnerabilities
- TI-2013-01930 XML injection vulnerability in account/utils.py in OpenStack Swift Folsom, Grizzly, and… CVSS 2.0HIGH 7.5
- TI-2013-00265 Openstack nova: vnc proxy can connect to the wrong vm CVSS 3.1HIGH 7.6
- TI-2013-05849 The i_create_images_and_backing (aka create_images_and_backing) method in libvirt driver… CVSS 2.0HIGH 7.1
- TI-2013-03945 The XenAPI backend in OpenStack Compute (Nova) Folsom, Grizzly, and Havana before 2013.2… CVSS 2.0MEDIUM 6.4
- TI-2012-04728 Openstack nova: information leak in libvirt lvm-backed instances CVSS 3.1MEDIUM 6.5
- TI-2013-01461 The XML libraries for Python 3.4, 3.3, 3.2, 3.1, 2.7, and 2.6, as used in OpenStack… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2013-4477 · CVE Program
- CVE-2013-4477 · NVD
- FIRST EPSS
- GHSA-f889-wfwm-6p7m · GitHub Advisory Database · CC BY 4.0
- CVE-2013-4477 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences