Openstack nova: vnc proxy can connect to the wrong vm
Summary
| CVE | CVE-2013-0335 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2013-03-22 21:55:00 UTC |
| Updated | 2026-07-31 15:16:24 UTC |
| Description | 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. |
Risk And Classification
Primary CVSS: v3.1 7.6 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
EPSS: 0.021200000 probability, percentile 0.800350000 (date 2026-08-03)
Problem Types: CWE-613 | CWE-264 | CWE-613 Insufficient Session Expiration
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Primary | 7.6 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |
| 3.1 | CNA | CVSS | 7.6 | HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L |
| 2.0 | [email protected] | Primary | 6 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
LowIntegrity
HighAvailability
LowCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
MediumAuthentication
SingleConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:N/AC:M/Au:S/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Canonical | Ubuntu Linux | 11.10 | All | All | All |
| Operating System | Canonical | Ubuntu Linux | 12.04 | - | lts | All |
| Operating System | Canonical | Ubuntu Linux | 12.10 | All | All | All |
| Application | Openstack | Essex | 2012.1 | All | All | All |
| Application | Openstack | Folsom | 2012.2 | All | All | All |
| Application | Openstack | Grizzly | 2012.2 | All | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Red Hat | OpenStack Folsom For RHEL 6 | unaffected 0:2012.2.3-7.el6ost * rpm | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 13 Queens | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 13 Queens | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 16.2 | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 16.2 | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 17.1 | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 17.1 | Not specified | Not specified |
| CNA | Red Hat | Red Hat OpenStack Platform 18.0 | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Gerrit Code Review | af854a3a-2127-422b-91ae-364da2661108 | review.openstack.org | |
| Security Advisory SA52337 - OpenStack Compute (Nova) VNC Console Token Validation Security Bypass Weakness - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| USN-1771-1: OpenStack Nova vulnerabilities | Ubuntu | af854a3a-2127-422b-91ae-364da2661108 | www.ubuntu.com | |
| github.com/advisories/GHSA-qfp8-hfqx-c79c | [email protected] | github.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| Gerrit Code Review | af854a3a-2127-422b-91ae-364da2661108 | review.openstack.org | |
| access.redhat.com/errata/RHSA-2013:0709 | [email protected] | access.redhat.com | |
| access.redhat.com/security/cve/CVE-2013-0335 | [email protected] | access.redhat.com | |
| Security Advisory SA52728 - Ubuntu update for nova - Secunia | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| www.osvdb.org/90657 | af854a3a-2127-422b-91ae-364da2661108 | www.osvdb.org | |
| oss-security - [OSSA-2013-006] VNC proxy can connect to the wrong VM (CVE-2013-0335) | af854a3a-2127-422b-91ae-364da2661108 | www.openwall.com | |
| Bug #1125378 “[OSSA-2013-006] VNC proxy can be made to connect t...” : Bugs : OpenStack Compute (nova) | af854a3a-2127-422b-91ae-364da2661108 | bugs.launchpad.net | |
| Gerrit Code Review | af854a3a-2127-422b-91ae-364da2661108 | review.openstack.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-04-02T15:03:50.609Z | Reported to Red Hat. |
| CNA | 2013-03-22T21:00:00.000Z | Made public. |
Workarounds
CNA: 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.
There are currently no legacy QID mappings associated with this CVE.