openstack-nova: Unprivileged API user can access host data using instance snapshot
Published Jan 12, 2016
3.5
LOWCVSS 3.0
EPSS 1.80%
Description
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.
Affected products
No data.
No data.
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6
openstack-nova-0:2014.1.5-16.el6ost
Fixed · RHSA-2016:0017
Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7
openstack-nova-0:2014.1.5-15.el7ost
Fixed · RHSA-2016:0018
Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7
openstack-nova-0:2014.2.3-48.el7ost
Fixed · RHSA-2016:0018
Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7
openstack-nova-0:2015.1.2-13.el7ost
Fixed · RHSA-2016:0018
Red Hat OpenStack Platform 8 (Liberty)
openstack-nova
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 6 | openstack-nova-0:2014.1.5-16.el6ost | Fixed | RHSA-2016:0017 |
| Red Hat Enterprise Linux OpenStack Platform 5.0 (Icehouse) for RHEL 7 | openstack-nova-0:2014.1.5-15.el7ost | Fixed | RHSA-2016:0018 |
| Red Hat Enterprise Linux OpenStack Platform 6.0 (Juno) for RHEL 7 | openstack-nova-0:2014.2.3-48.el7ost | Fixed | RHSA-2016:0018 |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | openstack-nova-0:2015.1.2-13.el7ost | Fixed | RHSA-2016:0018 |
| Red Hat OpenStack Platform 8 (Liberty) | openstack-nova | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:N/A:N
AV:N/AC:H/Au:S/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.80% (0.01803) | 77.73th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.80% (0.01803) | 75.62th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.32% (0.00322) | 53.00th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.08% (0.00084) | 37.76th | v3 (v2023.03.01) |
| Jun 21, 2024 | 0.08% (0.00084) | 36.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.08% (0.00084) | 34.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.06% (0.01061) | 52.82th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.06% (0.01061) | 52.27th | v2 (v2022.01.01) |
| Feb 3, 2023 | 1.23% (0.01232) | 66.57th | v2 (v2022.01.01) |
| Sep 19, 2022 | 1.06% (0.01061) | 51.19th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.06% (0.01061) | 49.19th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.06% (0.01061) | 28.23th | v2 (v2022.01.01) |
References (7)
- http://rhn.redhat.com/errata/RHSA-2016-0018.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/80176 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2015-7548 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1290511 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2015-7548
- https://security.openstack.org/ossa/OSSA-2016-001.html x_refsource_CONFIRMVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2015-7548
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-0018.html | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| http://www.securityfocus.com/bid/80176 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2015-7548 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1290511 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-7548 | ||
| https://security.openstack.org/ossa/OSSA-2016-001.html | x_refsource_CONFIRMVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2015-7548 |
Change history (0)
No recorded changes yet.