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CVE-2017-20233

Hirschmann HiLCOS Layer-2 Firewall Multicast Broadcast Traffic Bypass

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.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Belden
Products
Hirschmann Hilcos Bat450 Hirschmann Hilcos Bat867 Hirschmann Hilcos Openbat and 1 more
CVE-2016-15058

Hirschmann HiLCOS Classic Platform Password Exposure via SNMP

Hirschmann HiLCOS Classic Platform switches Classic L2E, L2P, L3E, L3P versions prior to 09.0.06 and Classic L2B prior to 05.3.07 contain a credential exposure vulnerability where user passwords are synchronized with SNMPv1/v2 community strings and transmitted in plaintext when the feature is enabled. Attackers with local network access can sniff SNMP traffic or extract configuration data to recover plaintext credentials and gain unauthorized administrative access to the switches.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Belden
Products
Hirschmann Hilcos Classic Platform
CVE-2015-10148

Hirschmann HiLCOS Hard-coded Credentials SSH SSL Keys

Hirschmann HiLCOS devices OpenBAT, WLC, BAT300, BAT54 prior to 8.80 and OpenBAT prior to 9.10 are shipped with identical default SSH and SSL keys that cannot be changed, allowing unauthenticated remote attackers to decrypt or intercept encrypted management communications. Attackers can perform man-in-the-middle attacks, impersonate devices, and expose sensitive information by leveraging the shared default cryptographic keys across multiple devices.

CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Belden
Products
Hirschmann Hilcos
CVE-2021-4477

Hirschmann HiLCOS OpenBAT BAT450 IPv6 IPsec Firewall Bypass

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.

CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
Vendors
Belden
Products
Hirschmann Hilcos Openbat