Medium severity5.4NVD Advisory· Published Apr 3, 2026· Updated Apr 7, 2026
CVE-2017-20233
CVE-2017-20233
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.
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Affected products
1Patches
Vulnerability mechanics
References
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