CVE-2011-3147
qcow format could expose host filesystem information
CVE-2011-3147 is a low vulnerability (CVSS 2.8) in Openstack Nova, published April 22, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.74%, the 54th percentile. Fixed in nova 12.0.0a0.
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
2.8
qcow format could expose host filesystem information
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
CVE-2011-3147- CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - Updated
- 2026-11-02
EUVDEUVD-2022-1764
2.8
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
EUVD-2022-1764- CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-hqfx-4x4w-vmwp
2.8
Openstack nova qcow format could expose host filesystem information
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
GHSA-hqfx-4x4w-vmwp- CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
8.6
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
CVE-2011-3147- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
8.6
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
CVE-2011-3147- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-3147
8.6
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
DEBIAN-CVE-2011-3147- CVSS 3.1
- 8.6 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-hqfx-4x4w-vmwp
2.8
Openstack nova qcow format could expose host filesystem information
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
GHSA-hqfx-4x4w-vmwp- CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVPYSEC-2026-690
2.8
Openstack nova qcow format could expose host filesystem information
Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.
- Record
PYSEC-2026-690- CVSS 3.0
- 2.8 Low
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
bazaar.launchpad.net/~hudson-openstack/nova/trunk/revision/1604
nvd.nist.gov/vuln/detail/CVE-2011-3147
github.com/openstack/nova/commit/ff9d353b2f4fee469e530fbc8dc231a41f6fed84
bugs.launchpad.net/nova/+bug/853330
github.com/advisories/GHSA-hqfx-4x4w-vmwp
security-tracker.debian.org/tracker/CVE-2011-3147
pypi.org/project/nova