{"id":"CVE-2013-0335","title":"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.","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.","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L","cwe":["CWE-613","CWE-264"],"vendor":"openstack","product":"essex","affected":["essex = 2012.1","folsom = 2012.2","grizzly = 2012.2","ubuntu_linux = 11.10","ubuntu_linux = 12.04","ubuntu_linux = 12.10"],"published":"2013-03-22","updated":"2026-07-31","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2013-0335","references":[{"url":"http://rhn.redhat.com/errata/RHSA-2013-0709.html","label":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52337","label":"secalert@redhat.com"},{"url":"http://secunia.com/advisories/52728","label":"secalert@redhat.com"},{"url":"http://www.openwall.com/lists/oss-security/2013/02/26/7","label":"secalert@redhat.com"},{"url":"http://www.osvdb.org/90657","label":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-1771-1","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2013:0709","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2013-0335","label":"secalert@redhat.com"},{"url":"https://bugs.launchpad.net/nova/+bug/1125378","label":"secalert@redhat.com"},{"url":"https://github.com/advisories/GHSA-qfp8-hfqx-c79c","label":"secalert@redhat.com"},{"url":"https://review.openstack.org/#/c/22086/","label":"secalert@redhat.com"},{"url":"https://review.openstack.org/#/c/22758","label":"secalert@redhat.com"},{"url":"https://review.openstack.org/#/c/22872/","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2013-0709.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52337","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://secunia.com/advisories/52728","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.openwall.com/lists/oss-security/2013/02/26/7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.osvdb.org/90657","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-1771-1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bugs.launchpad.net/nova/+bug/1125378","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://review.openstack.org/#/c/22086/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://review.openstack.org/#/c/22758","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://review.openstack.org/#/c/22872/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.02122,"epssPercentile":0.8082,"ingestedAt":"2026-07-31T15:59:51.701Z","slug":"CVE-2013-0335","body":"## Overview\n\nOpenStack 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.\n\n## Affected\n\n- `essex = 2012.1`\n- `folsom = 2012.2`\n- `grizzly = 2012.2`\n- `ubuntu_linux = 11.10`\n- `ubuntu_linux = 12.04`\n- `ubuntu_linux = 12.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.8,"likelihood":0.4,"exploitation":0,"ransomware":0},"changes":[]}