Is CVE-2013-4294 being actively exploited?

CVE-2013-4294 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-4294?

CVE-2013-4294 has a CVSS 2.0 base score of 5.0 (MEDIUM).

CVE-2013-4294

MEDIUM · CVSS 5.0EPSS 2.7%EU EUVD

The (1) mamcache and (2) KVS token backends in OpenStack Identity (Keystone) Folsom 2012.2.x and Grizzly before 2013.1.4 do not properly compare the PKI token revocation list with PKI tokens, which allow remote attackers to bypass intended access restrictions via a revoked PKI token.

Key facts

CVSS score: 5.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:N/I:P/A:N
Weakness (CWE): CWE-264
EPSS score: 2.7% (86th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2013-0017)
Published: September 23, 2013
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2013-0017 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone
openstack / keystone

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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