🛡️ CVE-2016-2140 — nova

⚪ Unknown ✅ No Known Exploit CWE-200 OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenStack Nova host data access through resize/migration

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2016-2140 is classified as CWE-200: Exposure of Sensitive Information. Information that should stay internal is disclosed to someone who is not authorised to see it.

Affected software

CVE-2016-2140 is recorded against 1 package.

  • nova (from 12.0.0 up to 12.0.3)

Timeline and source

Published on 14 May 2022 and last revised on 7 July 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
access.redhat.com (Web)
bugs.launchpad.net (Web)
bugzilla.redhat.com (Web)
github.com (Package)
security.openstack.org (Web)
seclists.org (Web)
www.openwall.com (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE CWE-200
Public Exploit ✅ No
Source OSV
Published 2022-05-14
Updated 2026-08-12
Modified 2026-07-07
Fix URL N/A

Affected Packages

Software From version Fixed in
nova 12.0.0 12.0.3

References

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