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IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2016-06-17T15:00:00Z","modified":"2024-08-06T01:01:00.11Z","updated_at":"2026-11-02T14:33:31.117878Z"}],"euvd":[{"id":"EUVD-2016-6313","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2016-06-17T15:00:00Z","modified":"2024-08-06T01:01:00Z","updated_at":"2026-11-03T02:22:42.442421Z"}],"ghsa":[{"id":"GHSA-qpwc-p365-pqrr","title":"OpenStack Neutron allows remote attackers to bypass an intended DHCP-spoofing protection mechanism","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2022-05-14T02:19:49Z","modified":"2025-04-14T21:05:49Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-923"],"updated_at":"2026-11-02T14:38:39.85223Z"}],"nvd":[{"id":"CVE-2016-5362","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2016-06-17T15:59:03.307Z","modified":"2026-06-17T00:49:17.21Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-254"],"updated_at":"2026-11-02T14:03:26.642445Z"}],"osv":[{"id":"CVE-2016-5362","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2016-06-17T15:59:03.307Z","modified":"2026-10-24T10:30:31.880221586Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-5362","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2016-06-17T15:59:03.307Z","modified":"2026-09-22T07:00:50.721672023Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.627285Z"},{"id":"GHSA-qpwc-p365-pqrr","title":"OpenStack Neutron allows remote attackers to bypass an intended DHCP-spoofing protection mechanism","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2022-05-14T02:19:49Z","modified":"2026-07-07T11:56:27.462889386Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-923"],"updated_at":"2026-11-02T15:46:54.760124Z"},{"id":"PYSEC-2026-854","title":"OpenStack Neutron allows remote attackers to bypass an intended DHCP-spoofing protection mechanism","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"published","published":"2026-07-06T08:03:23.728206Z","modified":"2026-07-07T11:45:41.889746896Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:58.117212Z"},{"id":"RHSA-2016:1473","title":"Red Hat Security Advisory: openstack-neutron security and bug fix update","status":"published","published":"2024-09-13T12:28:06Z","modified":"2026-08-01T10:02:38Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:03.734507Z"},{"id":"RHSA-2016:1474","title":"Red Hat Security Advisory: openstack-neutron security, bug fix, and enhancement update","status":"published","published":"2024-09-13T12:28:01Z","modified":"2026-08-01T10:02:39Z","cvss":[{"version":"3.0","score":6.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:53:03.734507Z"},{"id":"UBUNTU-CVE-2016-5362","description":"The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.","status":"withdrawn","published":"2016-06-17T15:59:00Z","modified":"2025-07-16T07:34:45.971677Z","cvss":[{"version":"3.0","score":8.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:12.642042Z"},{"id":"SUSE-SU-2016:2143-1","title":"Security update for several openstack-components","description":"\nThis update provides the latest code from OpenStack Liberty for openstack-ceilometer, -cinder, \n-dashboard, -glance, -heat, -keystone, -manila, -neutron, -neutron-fwaas, -neutron-lbaas,-nova,\n-resource-agents, python-networking-cisco and python-openstackclient.\n\nAdditionally some security-issues have been fixed:\n\nopenstack-nova:\n\n- Always copy or recreate disk.info during a migration. (bsc#970258, CVE-2016-2140)\n\nopenstack-dashboard:\n\n- Escape anularjs templating in unsafe HTML. (bsc#983807, CVE-2016-4428)\n\nopenstack-neutron:\n\n- Fix bypassing of anti-spoof protection. (bsc#984443, CVE-2016-5363, bsc#984442, CVE-2016-5362)\n\nFor a detailed description of all fixes and improvements, please refer to the changelog.\n","status":"published","published":"2016-08-23T15:49:42Z","modified":"2026-02-04T02:53:18.835356Z","updated_at":"2026-11-02T15:53:43.438985Z"}]}}