CVE-2026-20038 Cisco Nexus 9000 Series Fabric Switches in ACI Mode Policy-Based Redirect Endpoint Group Contract Bypass Vulnerability

A vulnerability in the endpoint group EPG contract functionality of Cisco Nexus 9000 Series Fabric Switches in ACI Mode could allow an unauthenticated, remote attacker to bypass configured EPG contracts. This vulnerability is due to an improper control with EPG contracts. An attacker could exploi...

PT-2026-107584

Name of the Vulnerable Software and Affected Versions Cisco Nexus 9000 Series Fabric Switches in ACI Mode affected versions not specified Description An improper control within the endpoint group EPG contract functionality allows an unauthenticated remote attacker to bypass configured EPG...

CVE-2023-44192

An Improper Input Validation vulnerability in the Packet Forwarding Engine of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause memory leak, leading to Denial of Service DoS. On all Junos OS QFX5000 Series platforms, when pseudo-VTEP Virtual Tunnel End Point is...

The vulnerability of the DHCP server of the Cisco Prime Network Registrar allows a attacker to trigger a service failure.

The vulnerability of the DHCP server of the Cisco Prime Network Registrar exists due to insufficient checks on incoming DHCP traffic. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

openstack-neutron: DHCP spoofing vulnerability

Neutron functionality includes internal firewall management between networks. Due to the relaxed nature of particular rules, it is possible for machines on the same layer 2 networks to forge non-IP traffic, such as ARP and DHCP requests...

PT-2016-6392

Name of the Vulnerable Software and Affected Versions OpenStack Neutron versions prior to 7.0.4 OpenStack Neutron versions 8.0.0 through 8.1.0 Description The issue allows remote attackers to bypass an intended MAC-spoofing protection mechanism, potentially causing a denial of service or allowing...

dnsmasq: Denial of Service and DNS spoofing

Background Dnsmasq is a lightweight and easily-configurable DNS forwarder and DHCP server. Description Dan Kaminsky of IOActive reported that dnsmasq does not randomize UDP source ports when forwarding DNS queries to a recursing DNS server CVE-2008-1447. Carlos Carvalho reported that dnsmasq in t...

Memory leak in 3COM 812 DSL routers

Issue : Memory leak in 3COM DSL routers Affected product : OfficeConnect Remote 812 ADSL Router Affected Firware : 1.1.7 Inmune firwamre : 1.1.9 Description : 3Com develops OfficeConnect 812 DSL routers that are widely used in Spanish ADSL lines . There is a flaw in the 1.1.7 firmware that enable...

The ISS RealSecure Network Sensor fails to properly process certain types of DHCP traffic.

Overview ISS RealSecure Network Sensor "informational signatures" fail to properly process certain types of DHCP traffic, thereby causing the sensor to crash. Description The ISS RealSecure Network Sensor fails to properly process certain types of DHCP traffic. If the sensor processes certain typ...