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Fencer Intel
low 3.5

CVE-2015-7548 json

OpenStack Compute (Nova) before 2015.1.3 (kilo) and 12.0.x before 12.0.1 (liberty), when using libvirt to spawn instances and use_cow_image…

published 2016-01-12 10 y ago modified 2026-06-17 4 mo ago also EUVD-2015-7462

cvss
3.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
0
none known

Summary

OpenStack Compute (Nova) before 2015.1.3 (kilo) and 12.0.x before 12.0.1 (liberty), when using libvirt to spawn instances and use_cow_images is set to false, allow remote authenticated users to read arbitrary files by overwriting an instance disk with a crafted image and requesting a snapshot.

Patch / fix

  • openstack nova 12.0.1, 2015.1.3
  • nova Debian 14, Debian 13, Debian 12 2:13.0.0~rc3-1

debian advisories DEBIAN-CVE-2015-7548

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

ubuntu advisories UBUNTU-CVE-2015-7548

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 2014.1.5-16.el6ost
  • python-nova openstack 5 2014.1.5-16.el6ost
  • openstack-nova-api openstack 5 2014.1.5-16.el6ost
  • openstack-nova-cert openstack 5 2014.1.5-16.el6ost
  • openstack-nova-cells openstack 5 2014.1.5-16.el6ost
  • openstack-nova-common openstack 5 2014.1.5-16.el6ost
  • openstack-nova-compute openstack 5 2014.1.5-16.el6ost
  • openstack-nova-console openstack 5 2014.1.5-16.el6ost

red hat advisories RHSA-2016:0017RHSA-2016:0018

  • openstack-swift OpenStack Cloud 5 2.1.0-14.1
  • openstack-nova OpenStack Cloud 5 2014.2.4.juno-29.1
  • openstack-keystone OpenStack Cloud 5 2014.2.4.juno-17.1

suse advisories SUSE-SU-2016:2325-1

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-2015-7548 updated cvss 6.3

openstack-nova: Unprivileged API user can access host data using instance snapshot

  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 python-nova 2014.1.5-16.el6ost, openstack-nova 2014.1.5-16.el6ost, openstack-nova-api 2014.1.5-16.el6ost, openstack-nova-cert 2014.1.5-16.el6ost, openstack-nova-cells 2014.1.5-16.el6ost, openstack-nova-common 2014.1.5-16.el6ost, +8 more
    fixed: vendor fix RHSA-2016:0017
  • Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 python-nova 2014.1.5-15.el7ost, openstack-nova 2014.1.5-15.el7ost, openstack-nova-api 2014.1.5-15.el7ost, openstack-nova-cert 2014.1.5-15.el7ost, openstack-nova-cells 2014.1.5-15.el7ost, openstack-nova-common 2014.1.5-15.el7ost, +8 more Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 python-nova 2014.2.3-48.el7ost, openstack-nova 2014.2.3-48.el7ost, openstack-nova-api 2014.2.3-48.el7ost, openstack-nova-cert 2014.2.3-48.el7ost, openstack-nova-cells 2014.2.3-48.el7ost, openstack-nova-common 2014.2.3-48.el7ost, +8 more Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 python-nova 2015.1.2-13.el7ost, openstack-nova 2015.1.2-13.el7ost, openstack-nova-api 2015.1.2-13.el7ost, openstack-nova-cert 2015.1.2-13.el7ost, openstack-nova-cells 2015.1.2-13.el7ost, openstack-nova-common 2015.1.2-13.el7ost, +9 more
    fixed: vendor fix RHSA-2016:0018
  • Red Hat OpenStack Platform 8 (Liberty) python-nova, openstack-nova, openstack-nova-api, openstack-nova-cert, openstack-nova-cells, openstack-nova-common, +9 more
    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

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 3.5 CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
NVD 2.0 2.1 AV:N/AC:H/Au:S/C:P/I:N/A:N

Classification

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

References

Sources

Fencer Intel 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.