Default configuration

The default configuration of the Group Encrypted Transport VPN GET VPN feature on Cisco IOS uses an improper mechanism for enabling Group Domain of Interpretation GDOI traffic flow, which allows remote attackers to bypass the encryption policy via certain uses of UDP port 848, aka Bug ID CSCui076...

CVE-2013-3436

Cisco IOS GET VPN vulnerable due to default implicit GDOI policy allowing unencrypted traffic on UDP 848, enabling bypass of encryption policy for GMs and KSs. Root cause is the default configuration that permits GDOI flow; exploitation requires access to trusted internal networks. Impact is bypa...