CVE-2013-2096

OpenStack Compute (Nova) Folsom, Grizzly, and Havana does not verify the virtual size of a QCOW2 image, which allows local users to cause a denial of service (host file system disk consumption) by creating an image with a large virtual size that does not contain a large amount of data.

Published: 2013-07-09 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-2096 is rated Low Risk (19.2/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.38%). Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2013-2096

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.38% +0.32%
2 2025-03-17 0.04% 0.06% +0.02%
3 2023-03-07 — 0.04% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-2096

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2013-2096

GitHub Security Advisory for CVE-2013-2096

GHSA-m674-hmx2-ffhq · Severity: medium · Ecosystem: pip — OpenStack Compute (Nova) does not verify the virtual size of a QCOW2 image

OS Trackers for CVE-2013-2096

vendor priority summary link
debian low CVE-2013-2096 low priority: Debian including 1 source packages (nova), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2013-2096
redhat medium — https://access.redhat.com/security/cve/CVE-2013-2096
suse medium — https://www.suse.com/security/cve/CVE-2013-2096/
ubuntu medium CVE-2013-2096 medium priority: Ubuntu including 1 source packages (nova), 5 status rows across 5 suites (lucid, precise, quantal, raring, upstream): released 3, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2013-2096

Affected software / configurations for CVE-2013-2096

Vendor Product Version Raw CPE
openstack folsom — cpe:2.3:a:openstack:folsom:-:*:*:*:*:*:*:*
openstack grizzly — cpe:2.3:a:openstack:grizzly:-:*:*:*:*:*:*:*
openstack havana — cpe:2.3:a:openstack:havana:-:*:*:*:*:*:*:*

References for CVE-2013-2096

cvelogic Threat Intelligence