Is CVE-2013-6437 being actively exploited?

CVE-2013-6437 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2013-6437?

CVE-2013-6437 has a CVSS 2.0 base score of 4.0 (MEDIUM).

CVE-2013-6437

MEDIUM · CVSS 4.0EPSS 2.0%EU EUVD

The libvirt driver in OpenStack Compute (Nova) before 2013.2.2 and icehouse before icehouse-2 allows remote authenticated users to cause a denial of service (disk consumption) by creating and deleting instances with unique os_type settings, which triggers the creation of a new ephemeral disk backing file.

Key facts

CVSS score: 4.0 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:S/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 2.0% (81th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2022-4213)
Published: March 6, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2022-4213 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

openstack / nova
openstack / nova

References

http://lists.openstack.org/pipermail/openstack-announce/2013-December/000179.html(Patch, Vendor Advisory)
http://rhn.redhat.com/errata/RHSA-2014-0231.html(Third Party Advisory)
https://bugs.launchpad.net/nova/+bug/1253980(Third Party Advisory)

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

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