Cisco Firewall Vulnerability: When IPv6 and VPNs Team Up for Trouble!
Cisco Firepower 2100 Series Firewalls could be as vulnerable as a cat in a dog park if they’re running certain software versions and meet specific conditions. If you’ve got IPsec VPN with IKEv1 or IKEv2 enabled, IPv6 receiving RADIUS traffic, and an ACL permitting IP traffic, it’s time to batten down the hatches!
Hot Take:
Oh, Cisco, you’ve done it again! Just when we thought our Firewalls were as secure as Fort Knox, along comes a vulnerability that is more open than a chatty neighbor’s front door. It’s like we’ve been building stone castles only to leave the drawbridge down. Who knew that enabling a few features could potentially invite the cyber wolves into the henhouse?
Key Points:
– Cisco Firepower 2100 Series Firewalls are affected if running vulnerable software versions.
– Vulnerability involves IPsec VPN using IKEv1 or IKEv2 and IPv6.
– Configuration involves checking if IKEv1 and IKEv2 VPNs are enabled.
– IPv6 and ACL configurations are key to determining vulnerability.
– Upgrading to a secured version is advised to combat this potential threat.