Belden Hirschmann Hilcos Openbat vulnerabilities

1 vulnerability

Known vulnerabilities in Belden Hirschmann Hilcos Openbat, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

9.3CVE-2021-4477beldenhirschmann hilcos openbat
EPSS score
0.32%
Hirschmann HiLCOS OpenBAT and BAT450 products contain a firewall bypass vulnerability in IPv6 IPsec deployments that allows traffic from VPN connections to bypass configured firewall rules. Attackers can exploit this vulnerability by establishing IPv6 IPsec connections (IKEv1 or IKEv2) while simultaneously using an IPv6 Internet connection to circumvent firewall policy enforcement.