CVE-2013-4477: n/a vulnerability

CVE-2013-4477: The LDAP backend in OpenStack Identity (Keystone) Grizzly and Havana, when removing a role on a tenant for...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 16:45 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2013-4477 is an authorization flaw in OpenStack Identity Keystone. In affected Grizzly and Havana deployments using the LDAP backend, a role-removal action could mistakenly grant that role instead, allowing a local user to gain privileges. Exposure appears limited to legacy OpenStack Keystone Grizzly or Havana environments using the LDAP backend. The source bundle does not indicate impact for non-LDAP backends, newer releases, or unrelated OpenStack services. Prioritize if legacy OpenStack Keystone with LDAP remains in production. The business risk is unauthorized privilege gain inside cloud identity services, but current evidence does not support internet-wide active exploitation. Mitigation focus: Identify any Keystone Grizzly or Havana deployments using LDAP backend.; Review OpenStack, Ubuntu, and Red Hat advisories for fixed Keystone packages.; Apply vendor-provided Keystone security updates where applicable..

Prepared: Jun 14, 2026, 15:13 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 2, 2013, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
https://bugs.launchpad.net/keystone/+bug/1242855CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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