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Fencer Vulns
medium 5.3

CVE-2016-2140 json

OpenStack Nova host data access through resize/migration

published 2016-04-12 10 y ago modified 2026-07-07 4 mo ago also GHSA-49jv-37hm-6gfp , PYSEC-2026-864 , EUVD-2022-2346

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 81%
public exploits
0
none known

Summary

The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.

Patch / fix

  • pypi nova 12.0.3
  • openstack nova 12.0.3, 2015.1.4
  • nova Debian 14, Debian 13, Debian 12 2:13.0.0-1

debian advisories DEBIAN-CVE-2016-2140

  • nova Ubuntu 14.04 LTS 1:2014.1.5-0ubuntu1.7

ubuntu advisories UBUNTU-CVE-2016-2140

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • openstack-nova openstack 5 2014.1.5-29.el6ost
  • python-nova openstack 5 2014.1.5-29.el6ost
  • openstack-nova-api openstack 5 2014.1.5-29.el6ost
  • openstack-nova-cert openstack 5 2014.1.5-29.el6ost
  • openstack-nova-cells openstack 5 2014.1.5-29.el6ost
  • openstack-nova-common openstack 5 2014.1.5-29.el6ost
  • openstack-nova-compute openstack 5 2014.1.5-29.el6ost
  • openstack-nova-console openstack 5 2014.1.5-29.el6ost

red hat advisories RHSA-2016:0366RHSA-2016:0365RHSA-2016:0364RHSA-2016:0363

  • openstack-heat OpenStack Cloud 6 5.0.2~a0~dev93-9.1
  • openstack-nova OpenStack Cloud 6 12.0.5~a0~dev2-7.1
  • openstack-cinder OpenStack Cloud 6 7.0.3~a0~dev2-7.1
  • openstack-glance OpenStack Cloud 6 11.0.2~a0~dev13-7.1
  • openstack-manila OpenStack Cloud 6 1.0.2~a0~dev11-9.1
  • openstack-neutron OpenStack Cloud 6 7.1.2~a0~dev29-10.1
  • openstack-keystone OpenStack Cloud 6 8.1.1~a0~dev13-3.1
  • openstack-dashboard OpenStack Cloud 6 8.0.2~a0~dev34-8.1

suse advisories SUSE-SU-2016:2143-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-2140 updated cvss 7.5

openstack-nova: Host data leak through resize/migration

  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 python-nova 2014.1.5-29.el6ost, openstack-nova 2014.1.5-29.el6ost, openstack-nova-api 2014.1.5-29.el6ost, openstack-nova-cert 2014.1.5-29.el6ost, openstack-nova-cells 2014.1.5-29.el6ost, openstack-nova-common 2014.1.5-29.el6ost, +8 more
    fixed: vendor fix RHSA-2016:0366
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 python-nova 2014.1.5-29.el7ost, openstack-nova 2014.1.5-29.el7ost, openstack-nova-api 2014.1.5-29.el7ost, openstack-nova-cert 2014.1.5-29.el7ost, openstack-nova-cells 2014.1.5-29.el7ost, openstack-nova-common 2014.1.5-29.el7ost, +8 more
    fixed: vendor fix RHSA-2016:0365
  • Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 python-nova 2014.2.3-54.2.el7ost, openstack-nova 2014.2.3-54.2.el7ost, openstack-nova-api 2014.2.3-54.2.el7ost, openstack-nova-cert 2014.2.3-54.2.el7ost, openstack-nova-cells 2014.2.3-54.2.el7ost, openstack-nova-common 2014.2.3-54.2.el7ost, +8 more
    fixed: vendor fix RHSA-2016:0364
  • Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 python-nova 2015.1.2-18.2.el7ost, openstack-nova 2015.1.2-18.2.el7ost, openstack-nova-api 2015.1.2-18.2.el7ost, openstack-nova-cert 2015.1.2-18.2.el7ost, openstack-nova-cells 2015.1.2-18.2.el7ost, openstack-nova-common 2015.1.2-18.2.el7ost, +9 more
    fixed: vendor fix RHSA-2016:0363
  • Red Hat OpenStack Platform 8 (Liberty) python-nova, openstack-nova, openstack-nova-api, openstack-nova-cert, openstack-nova-cells, openstack-nova-common, +9 more Red Hat OpenStack Platform 13 (Queens) python-nova, openstack-nova, python-nova-tests, openstack-nova-api, openstack-nova-cells, openstack-nova-common, +10 more Red Hat OpenStack Platform 16.2 python3-nova, openstack-nova, openstack-nova-api, openstack-nova-common, openstack-nova-compute, openstack-nova-console, +6 more Red Hat OpenStack Platform 17.1 python3-nova, openstack-nova, openstack-nova-api, openstack-nova-common, openstack-nova-compute, openstack-nova-conductor, +5 more Red Hat OpenStack Platform 18.0 openstack-nova
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.11% chance of exploitation in the next 30 days, higher than 81% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:P/I:N/A:N
OSV 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.0 5.3 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
pypi nova
>=12.0.0, <12.0.3
12.0.3

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.