CVE-2017-20233
MEDIUM
NVD
CVSS Score
5.4
Severity
MEDIUM
Published
Apr 03, 2026
Vendor
unknown
Description
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.