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Fencer Intel
high 7.6

CVE-2013-0335 json

Openstack nova: vnc proxy can connect to the wrong vm

published 13y ago modified 3mo ago also GHSA-qfp8-hfqx-c79c , PYSEC-2013-43 , EUVD-2013-0022

cvss
7.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.1%
EPSS 2.1% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi nova 12.0.0a0
  • Red Hat OpenStack Folsom for RHEL 6 0:2012.2.3-7.el6ost
  • nova Debian 14, Debian 13, Debian 12 2012.1.1-14

debian advisories DEBIAN-CVE-2013-0335

  • openstack-nova openstack 2 2012.2.3-7.el6ost
  • python-nova openstack 2 2012.2.3-7.el6ost
  • openstack-nova-api openstack 2 2012.2.3-7.el6ost
  • openstack-nova-cert openstack 2 2012.2.3-7.el6ost
  • openstack-nova-common openstack 2 2012.2.3-7.el6ost
  • openstack-nova-volume openstack 2 2012.2.3-7.el6ost
  • openstack-nova-compute openstack 2 2012.2.3-7.el6ost
  • openstack-nova-console openstack 2 2012.2.3-7.el6ost

red hat advisories RHSA-2013:0709

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2013-0335 updated cvss 7.6

OpenStack Nova: VNC proxy can connect to the wrong VM

  • Red Hat OpenStack Folsom python-nova 2012.2.3-7.el6ost, openstack-nova 2012.2.3-7.el6ost, openstack-nova-api 2012.2.3-7.el6ost, openstack-nova-cert 2012.2.3-7.el6ost, openstack-nova-common 2012.2.3-7.el6ost, openstack-nova-volume 2012.2.3-7.el6ost, +5 more
    fixed: vendor fix RHSA-2013:0709
  • Red Hat OpenStack Platform 13 (Queens) redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute, redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute-ironic Red Hat OpenStack Platform 16.2 redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute, redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute-ironic Red Hat OpenStack Platform 17.1 redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute, redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute-ironic Red Hat OpenStack Platform 18.0 redhat-user-workloads/openstack-tenant/openstack-13/openstack-nova-compute
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.14% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
NVD 3.1 7.6 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
pypi nova
<12.0.0a0
12.0.0a0

Affected products

  • Red Hat OpenStack Folsom for RHEL 6
  • Red Hat Red Hat OpenStack Platform 13 (Queens)
  • Red Hat Red Hat OpenStack Platform 16.2
  • Red Hat Red Hat OpenStack Platform 17.1
  • Red Hat Red Hat OpenStack Platform 18.0

Classification

Weakness
  • CWE-613 DEPRECATED: Insufficient Session Expiration
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-863 Incorrect Authorization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.