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Search Results (2 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2021-4477 1 Belden 1 Hirschmann Hilcos Openbat 2026-04-06 9.1 Critical
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.
CVE-2017-20233 1 Belden 4 Hirschmann Hilcos Bat450, Hirschmann Hilcos Bat867, Hirschmann Hilcos Openbat and 1 more 2026-04-06 5.4 Medium
Hirschmann HiLCOS products OpenBAT, BAT450, WLC, BAT867 contains a firewall filtering vulnerability that fails to correctly filter IPv4 multicast and broadcast traffic when management IP address filtering is disabled, allowing configured filter rules to be bypassed. Attackers with network access can inject or observe multicast and broadcast packets that should have been blocked by the firewall.