CVE-2014-8750

Severity: medium (CVSS 6.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-10-15 · updated 2026-06-17
Weakness: CWE-362

Description

Race condition in the VMware driver in OpenStack Compute (Nova) before 2014.1.4 and 2014.2 before 2014.2rc1 allows remote authenticated users to access unintended consoles by spawning an instance that triggers the same VNC port to be allocated to two different instances.

Affected products

OpenStack Nova: from 2014.1 before 2014.1.4; 2014.2-milestone1, 2014.2-milestone2, 2014.2-milestone3 — fixed in 2014.1.4

How to fix

Upgrade to a fixed version: OpenStack Nova 2014.1.4. Check the vendor advisory for mitigations.

References

http://lists.openstack.org/pipermail/openstack-announce/2014-October/000293.html
http://rhn.redhat.com/errata/RHSA-2014-1689.html
http://rhn.redhat.com/errata/RHSA-2014-1781.html
http://rhn.redhat.com/errata/RHSA-2014-1782.html
http://secunia.com/advisories/60227
http://www.openwall.com/lists/oss-security/2014/10/14/9
http://www.securityfocus.com/bid/70182
https://bugs.launchpad.net/nova/+bug/1357372
http://lists.openstack.org/pipermail/openstack-announce/2014-October/000293.html
http://rhn.redhat.com/errata/RHSA-2014-1689.html
http://rhn.redhat.com/errata/RHSA-2014-1781.html
http://rhn.redhat.com/errata/RHSA-2014-1782.html

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