CVE-2016-2140

Name: CVE-2016-2140
Creator: NVD / NIST
Published: 2016-04-12T14:59:10.12+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.09%

Last modified Jun 17, 2026

CVE-2016-2140 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

2.09%

79.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Openstack	Nova	>= 12.0.0, < 12.0.3
Openstack	Nova	>= 2015.1.0, < 2015.1.4

References

http://www.openwall.com/lists/oss-security/2016/03/08/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/84277Third Party Advisory, VDB Entry
https://bugs.launchpad.net/nova/+bug/1548450Third Party Advisory
https://security.openstack.org/ossa/OSSA-2016-007.htmlPatch, Vendor Advisory
http://www.openwall.com/lists/oss-security/2016/03/08/6Mailing List, Third Party Advisory
http://www.securityfocus.com/bid/84277Third Party Advisory, VDB Entry
https://bugs.launchpad.net/nova/+bug/1548450Third Party Advisory
https://security.openstack.org/ossa/OSSA-2016-007.htmlPatch, Vendor Advisory

Timeline

Published: Apr 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-2140?

How severe is CVE-2016-2140?

Severity scoring for CVE-2016-2140 is pending analysis. The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.

How do I fix CVE-2016-2140?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-2140?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST