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HiSecOS v04.2.00 released - News / Firewalls - Hirschmann Support Center

SEP 27 2021

HiSecOS v04.2.00 released

Software Release 04.2.00
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Bugfixes (Refer Issue List)

New feature support:
AMP Protocol

Security Fix:
- OPC Classic Enforce Denial of Service attack
- OPC DPI forwards any packet that has less than 20 bytes of TCP payload.
- OpenSSL vulnerabilities (CVE-2021-3449, CVE-2021-23841, CVE-2021-23840)

Open points and decisions:
- FDB: After adding static mac address to interface-1, same mac is getting learned to other interface-2 while traffic is send with same mac as source mac on interface-2
- Eagle web become unresponsive, once web remain open for more than a day
- Vlan tagged packet not getting filtered by l2 filtering if matched on vlan interface with untagged egress port
- After creating around 1000 L2 filter rule via CLI, web of L2 filter rule gives error to contact to manufacturer
- Devices attached via VLAN router interfaces are not reachable via VPN.
- Unable to add another Static Route with the same Network Destination.