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CVE-2011-3147

27
FAUCET Score

CVE-2011-3147 is a high-severity vulnerability affecting OpenStack Nova versions prior to 2012.1. It allows an unauthenticated attacker to expose hypervisor host files to a guest operating system by processing a maliciously crafted qcow filesystem. This vulnerability carries a CVSS score of 8.6, indicating a critical risk of information disclosure with low attack complexity and no user interaction required. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2010.1, < 2012.1CPE matchmatch criteria
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

2.8LOW

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.1
Impact Score
1.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.73%
Probability of exploitation in next 30 days
EPSS Percentile
50.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0073 is in the 26th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

pippatch availablevia ghsa
Product: novaFixed in: 12.0.0a0

Vendor Advisories (1)

pipGHSA-hqfx-4x4w-vmwplow

Openstack nova qcow format could expose host filesystem information

Apr 22, 2022

References

bazaar.launchpad.net / ~hudson-openstack/nova/trunk/revision/1604
PatchThird Party Advisory