What is CVE-2011-3147?

CVE-2011-3147 is a high-severity vulnerability in OpenStack Nova, classified under Information Disclosure. CVSS score: 8.6/10. Published 2019-04-22.

How severe is CVE-2011-3147?

High severity. CVSS v3 base score is 8.6 out of 10.

Information disclosure in OpenStack Nova

CVE-2011-3147

Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.

Vulnerability class: Information Disclosure

Published 2019-04-22 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (53.8th percentile), scored 2026-10-21.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

OpenStack Nova

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

bazaar.launchpad.net/~hudson-openstack/nova/trunk/revision/1604 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2011-3147?: CVE-2011-3147 is a high-severity vulnerability in OpenStack Nova, classified under Information Disclosure. CVSS score: 8.6/10. Published 2019-04-22.
How severe is CVE-2011-3147?: High severity. CVSS v3 base score is 8.6 out of 10.