{"id":"CVE-2017-5936","aliases":["EUVD-2017-0078","GHSA-6xc7-4cx8-j3xc","PYSEC-2017-21","UBUNTU-CVE-2017-5936","USN-3195-1"],"status":"published","title":"OpenStack Nova-LXD bypass security restrictions","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02991,"percentile":0.87415,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2017-02-08T00:00:00Z","modified":"2026-10-20T10:49:30Z","fixes":[{"ecosystem":"PyPI","package":"nova-lxd","fixed_in":["13.1.1"],"sources":["ghsa","osv"]},{"ecosystem":"Ubuntu:16.04:LTS","package":"nova-lxd","fixed_in":["13.2.0-0ubuntu1.16.04.1"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"nova-lxd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.1.1"}]}]},{"source":"osv","ecosystem":"PyPI","package":"nova-lxd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.1.1"}]}],"versions":["0.19.0","13.0.0","13.0.0.0b2","13.0.0.0b3","13.1.0"]},{"source":"osv","ecosystem":"PyPI","package":"nova-lxd","ranges":[{"type":"GIT","events":[{"introduced":"0"},{"fixed":"1b76cefb92081efa1e88cd8f330253f857028bd2"}]},{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.1.1"}]}],"versions":["0.19.0","13.0.0","13.0.0.0b2","13.0.0.0b3","13.1.0","13.2.0","13.1","13.0.1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"nova-lxd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2.0-0ubuntu1.16.04.1"}]}],"versions":["0.18+git201512020918.146ccc8-0ubuntu1","0.19.0-0ubuntu1","13.0.0~b2-0ubuntu2","13.0.0~b3-0ubuntu1","13.0.0~b3-0ubuntu2","13.0.0-0ubuntu1","13.0.0-0ubuntu2","13.0.0-0ubuntu3","13.0.0-0ubuntu3.1","13.2.0-0ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"nova-lxd","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"13.2.0-0ubuntu1.16.04.1"}]}],"versions":["0.18+git201512020918.146ccc8-0ubuntu1","0.19.0-0ubuntu1","13.0.0~b2-0ubuntu2","13.0.0~b3-0ubuntu1","13.0.0~b3-0ubuntu2","13.0.0-0ubuntu1","13.0.0-0ubuntu2","13.0.0-0ubuntu3","13.0.0-0ubuntu3.1","13.2.0-0ubuntu1"]}],"products":[{"vendor":"canonical","product":"ubuntu_linux"},{"vendor":"openstack","product":"nova-lxd"}],"references":[{"url":"http://www.securityfocus.com/bid/96182","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://bugs.launchpad.net/nova-lxd/+bug/1656847","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"http://www.ubuntu.com/usn/USN-3195-1","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openstack/nova-lxd/commit/1b76cefb92081efa1e88cd8f330253f857028bd2","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Patch","Third Party Advisory","fix","web"]},{"url":"http://www.openwall.com/lists/oss-security/2017/02/09/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5936","tags":["advisory"]},{"url":"https://web.archive.org/web/20200227193915/http://www.securityfocus.com/bid/96182","tags":["web"]},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nova-lxd/PYSEC-2017-21.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6xc7-4cx8-j3xc","tags":["advisory"]},{"url":"https://github.com/openstack/nova-lxd","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2017-5936","tags":["report"]},{"url":"https://ubuntu.com/security/notices/USN-3195-1","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-5936","tags":["report"]},{"url":"https://launchpad.net/bugs/1656847","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-5936","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-04-12T22:00:00Z","modified":"2024-08-05T15:18:48.724Z","updated_at":"2026-11-02T14:33:12.599234Z"}],"euvd":[{"id":"EUVD-2017-0078","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-04-12T22:00:00Z","modified":"2024-08-05T15:18:48Z","updated_at":"2026-11-03T02:39:13.965943Z"}],"ghsa":[{"id":"GHSA-6xc7-4cx8-j3xc","title":"OpenStack Nova-LXD bypass security restrictions","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2022-05-13T01:46:20Z","modified":"2024-10-07T16:00:22Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"},{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T14:38:08.742903Z"}],"nvd":[{"id":"CVE-2017-5936","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-04-12T22:59:00.74Z","modified":"2026-06-17T01:21:28.153Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:44.86906Z"}],"osv":[{"id":"CVE-2017-5936","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-04-12T22:59:00.74Z","modified":"2026-10-20T10:49:30.223699312Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:06.029968Z"},{"id":"GHSA-6xc7-4cx8-j3xc","title":"OpenStack Nova-LXD bypass security restrictions","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2022-05-13T01:46:20Z","modified":"2024-12-07T05:40:16.948826Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T15:46:40.308826Z"},{"id":"UBUNTU-CVE-2017-5936","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-02-08T00:00:00Z","modified":"2026-02-04T04:28:14.50493Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T15:54:15.388065Z"},{"id":"PYSEC-2017-21","description":"OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.","status":"published","published":"2017-04-12T22:59:00Z","modified":"2026-06-10T17:02:24.201958041Z","updated_at":"2026-11-02T15:52:51.645172Z"},{"id":"USN-3195-1","title":"nova-lxd vulnerability","description":"James Page discovered that Nova-LXD incorrectly set up virtual network devices\nwhen creating LXD instances. This could result in an unintended firewall\nconfiguration.\n","status":"published","published":"2017-02-10T01:18:25Z","modified":"2026-02-10T04:41:05Z","updated_at":"2026-11-02T16:58:10.303275Z"}]}}