CVE-2013-4477

lowpriority · track · 13EPSS 0.004 · 39 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (39th) EPSS

CVSS 3.3 · low

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

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

Technical severity, 0–10. One row per scoring source.

3.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.03.3lowAV:L/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 3.4 · impact 4.9

v2.02.8lowAV:L/AC:M/Au:N/C:P/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-264USprimary

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
openstack grizzlyall versionsnvdUScpe:2.3:a:openstack:grizzly:*:*:*:*:*:*:*:*
openstack havanaall versionsnvdUScpe:2.3:a:openstack:havana:*:*:*:*:*:*:*:*
PyPI keystone< 8.0.0a0osvUSpkg:pypi/keystone

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-f889-wfwm-6p7mOpenStack Identity Keystone Privilege Escalation vulnerability2022-05-17ghsa · osvUS
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.
PYSEC-2026-831OpenStack Identity Keystone Privilege Escalation vulnerability2026-07-06vendor · osvUS
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.

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2013-11-02modified 2026-06-16

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+8950 more

references (11)

External citations — patches, advisories, analysis.

scry

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