CVE-2013-4477

NONECVSS 0.0Trending — 3 sources updated this week

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 35.4%
KEV: Not listed

Published

November 2, 2013

Last Modified

April 29, 2026

References (8)

secalert@redhathttp://rhn.redhat.com/errata/RHSA-2014-0113.html
secalert@redhathttp://www.openwall.com/lists/oss-security/2013/10/30/6
secalert@redhathttp://www.ubuntu.com/usn/USN-2034-1
secalert@redhathttps://bugs.launchpad.net/keystone/+bug/1242855
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2014-0113.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2013/10/30/6
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-2034-1
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/keystone/+bug/1242855

Patch Availability(2)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	python-keystone (1:2013.2-0ubuntu1.1) @ saucy	2026-05-28	ubuntu
redhat	openstack-keystone-0:2013.1.4-2.el6ost	2014-01-30	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
keystone	—	8.0.0a0	—

All Vendor Advisories

(2)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 21:45 UTCEG score recompute
2026-05-28 21:45 UTCVendor advisory
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2013-4477?

CVE-2013-4477 is a none vulnerability published on November 2, 2013. 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.

When was CVE-2013-4477 disclosed?

CVE-2013-4477 was first published in the National Vulnerability Database on November 2, 2013, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2013-4477 actively exploited?

CVE-2013-4477 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2013-4477?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-4477, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2013-4477

Explore →

Is Your Infrastructure Affected by CVE-2013-4477?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2013-4477

📅 Published

🔄 Last Modified

🔗 References (8)