OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.

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Advisories
Source ID Title
EUVD EUVD EUVD-2013-0022 OpenStack Compute (Nova) Grizzly, Folsom (2012.2), and Essex (2012.1) allows remote authenticated users to gain access to a VM in opportunistic circumstances by using the VNC token for a deleted VM that was bound to the same VNC port.
Github GHSA Github GHSA GHSA-qfp8-hfqx-c79c OpenStack Compute Nova Unauthorised access to arbitrary VM using VNC token from deleted VM
Ubuntu USN Ubuntu USN USN-1771-1 OpenStack Nova vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

History

Fri, 31 Jul 2026 14:45:00 +0000

Type Values Removed Values Added
Title nova: VNC proxy can connect to the wrong VM Openstack nova: vnc proxy can connect to the wrong vm
Weaknesses CWE-613
CPEs cpe:/a:redhat:openstack:13
cpe:/a:redhat:openstack:16.2
cpe:/a:redhat:openstack:17.1
cpe:/a:redhat:openstack:18.0
References
Metrics cvssV3_1

{'score': 7.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-07-31T14:23:16.683Z

Reserved: 2012-12-06T00:00:00.000Z

Link: CVE-2013-0335

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2013-03-22T21:55:00.880

Modified: 2026-06-16T23:49:13.167

Link: CVE-2013-0335

cve-icon Redhat

Severity : Moderate

Publid Date: 2013-02-26T00:00:00Z

Links: CVE-2013-0335 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses