CVE-2013-4477
OpenStack Identity Keystone Privilege Escalation vulnerability
CVE-2013-4477 is a low vulnerability (CVSS 3.3) in Openstack Grizzly, published November 2, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 38th percentile. Fixed in keystone 8.0.0a0.
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.
Exploit likelihood
What each source reports
NVD Score used
3.3
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.
- Record
CVE-2013-4477- CVSS 2.0
- 3.3 Low
AV:L/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-4477- Updated
- 2026-11-02
EUVDEUVD-2022-3724 No score
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.
- Record
EUVD-2022-3724- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f889-wfwm-6p7m No score
OpenStack Identity Keystone Privilege Escalation vulnerability
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.
- Record
GHSA-f889-wfwm-6p7m- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2013-4477- Updated
- 2026-11-02
OSVDEBIAN-CVE-2013-4477 No score
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.
- Record
DEBIAN-CVE-2013-4477- Updated
- 2026-11-02
OSVGHSA-f889-wfwm-6p7m No score
OpenStack Identity Keystone Privilege Escalation vulnerability
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.
- Record
GHSA-f889-wfwm-6p7m- Updated
- 2026-11-02
OSVPYSEC-2026-831 No score
OpenStack Identity Keystone Privilege Escalation vulnerability
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.
- Record
PYSEC-2026-831- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
keystonePyPI |
before 8.0.0a0 | 8.0.0a0 |
keystoneDebian:12 |
before 2013.2-2 | 2013.2-2 |
keystoneDebian:13 |
before 2013.2-2 | 2013.2-2 |
keystoneDebian:14 |
before 2013.2-2 | 2013.2-2 |
openstack-keystoneRed Hat:openstack:3::el6 |
before 0:2013.1.4-2.el6ost | 0:2013.1.4-2.el6ost |
openstack-keystone-docRed Hat:openstack:3::el6 |
before 0:2013.1.4-2.el6ost | 0:2013.1.4-2.el6ost |
python-keystoneRed Hat:openstack:3::el6 |
before 0:2013.1.4-2.el6ost | 0:2013.1.4-2.el6ost |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
openwall.com/lists/oss-security/2013/10/30/6
ubuntu.com/usn/USN-2034-1
rhn.redhat.com/errata/RHSA-2014-0113.html
bugs.launchpad.net/keystone/+bug/1242855
nvd.nist.gov/vuln/detail/CVE-2013-4477
github.com/openstack/keystone/commit/b17e7bec768bd53d3977352486378698a3db3cfa
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github.com/openstack/keystone/commit/c6800ca1ac984c879e75826df6694d6199444ea0
github.com/advisories/GHSA-f889-wfwm-6p7m
security-tracker.debian.org/tracker/CVE-2013-4477
github.com/openstack/keystone
pypi.org/project/keystone
access.redhat.com/errata/RHSA-2014:0113
access.redhat.com/security/updates/classification
bugzilla.redhat.com/show_bug.cgi?id=1024401
security.access.redhat.com/data/csaf/v2/advisories/2014/rhsa-2014_0113.json
access.redhat.com/security/cve/CVE-2013-4477
cve.org/CVERecord?id=CVE-2013-4477