CVE-2013-4463

No known exploitation. EPSS puts it in the 28th percentile. A vendor fix is available.

CVSS 2.02.1Low EPSS percentile28th0.4% chance in 30 days CISA KEVNot listedNo confirmed exploitation
No public exploit known FixVendor fixNo build named by the sources

Published 2014-02-06Updated 2026-04-29Sources: CVE.org, NVD, GitHub

NVD CVE.org

What to do

The vendor has published a fix. Version details are below where the sources state them.

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not properly verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) via a compressed QCOW2 image. NOTE: this issue is due to an incomplete fix for CVE-2013-2096.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS28th

CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.4% chance of exploitation activity in the next 30 days, which ranks it in the 28th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 4522 days, from the signal feeds we watch.

2026-06-25OpenVAS check added
2026-04-29Patch availablerecord updated
2014-02-06Publishedweakness classified

Affected products

openstackoss-project · USaka openstack foundation
- folsomOn-premCloud & SaaS / cloud-platform
- grizzlyCloud & SaaS / cloud-platform
- havanaSaaS ServiceSaaSCloud & SaaS / cloud-platform
PyPIpackage-ecosystem
- novaOSS Libraries

And 1 more affected product. See all after sign-in

Technical detail

CVSS 2.0 vector

Open in the CVSS calculator

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

Scored 2.1 by NVD.

How it is reached

Access Vector LocalRequires local access
Access Complexity LowNo special conditions required
Authentication NoneNo authentication required

Impact if exploited

Confidentiality NoneNo confidentiality impact
Integrity NoneNo integrity impact
Availability PartialReduced performance or service disruption

Weaknesses

CWE-399No name in the record

Sources

References in the record

And 5 more references. See all after sign-in

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