CVE-2013-6437

mediumpriority · track · 17EPSS 0.020 · 81 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

2.04% (81st) EPSS

CVSS 4 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

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.

cvss

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

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
openstack nova2013.1 → 2013.1.5nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova2013.2 → 2013.2.2nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
openstack nova= 2014.1nvdUScpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
PyPI nova< 12.0.0a0osvUSpkg:pypi/nova

advisories (2)

Vendor and ecosystem advisories describing this.

GHSA-hrv9-4x4c-9jc8OpenStack Nova DoS through ephemeral disk backing files2022-05-14ghsa · osvUS
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.
PYSEC-2026-874OpenStack Nova DoS through ephemeral disk backing files2026-07-06vendor · osvUS
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.

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 2014-03-06modified 2026-06-17

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+3721 more

references (9)

External citations — patches, advisories, analysis.

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