Vulnerability Report

CVE-2013-4477

Title: Openstack Grizzly Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2013-4477.

CWE Category CWE-264

Published Date Nov 02, 2013

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 3.3 CVSS v2.0

Exploit Probability (EPSS)

0.44%

Vulnerability Summary

CVE-2013-4477: 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.

Impacted Vendors

openstack 2

eclipse 1

Reference Links

http://rhn.redhat.com/errata/RHSA-2014-0113.html http://www.openwall.com/lists/oss-security/2013/10/30/6 http://www.ubuntu.com/usn/USN-2034-1 https://bugs.launchpad.net/keystone/+bug/1242855 http://rhn.redhat.com/errata/RHSA-2014-0113.html http://www.openwall.com/lists/oss-security/2013/10/30/6 http://www.ubuntu.com/usn/USN-2034-1 https://bugs.launchpad.net/keystone/+bug/1242855

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.3

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:M/Au:N/C:P/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2013-4477 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

November 02, 2013 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:M/Au:N/C:P/I:P/A:N

Affected Stack

No specific products linked.