CVE-2016-5362: 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…

PriorityP340high8.2CVSS 3.0

AVNACLPRNUINSUCLINAH

EPSS

3.41%

87.4th percentile

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.

Affected

9 ranges

Vendor	Product	Version range	Fixed in
debian	neutron	< neutron 2:8.1.2-1 (bookworm)	neutron 2:8.1.2-1 (bookworm)
openstack	neutron	>= 0 < 2:8.1.2-1	2:8.1.2-1
openstack	neutron	>= 0 < 2:8.1.2-1	2:8.1.2-1
openstack	neutron	>= 0 < 2:8.1.2-1	2:8.1.2-1
openstack	neutron	>= 0 < 2:8.1.2-1	2:8.1.2-1
openstack	neutron	>= 0 < 7.0.5	7.0.5
openstack	neutron	>= 7.0.0 < 7.0.4	7.0.4
openstack	neutron	>= 8.0.0 < 8.1.1	8.1.1
openstack	neutron	8.0.0 – 8.1.0	—

CVSS provenance

nvdv3.08.2HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

nvdv2.06.4MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:P

osv8.2HIGH

vendor_debian8.2HIGH

vendor_redhat8.2HIGH

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.