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ICSA-19-155-02  ·  Published 2019-06-04  ·  View on CISA ICS-CERT ↗

PHOENIX CONTACT FL NAT SMx

CVSS 8.8 HIGH

Risk Summary

Successful exploitation of this vulnerability could allow unauthorized users full access to the device configuration.

CVEs (1)

Remediations

  • Phoenix Contact recommends affected users operate the devices in closed networks or protected with a suitable firewall.
  • Phoenix Contact recommends that users consider the following steps to protect the device from an attacker who has gained access to the closed network, or if there is a possibility that multiple users might share a VPN connection with a single endpoint IP:
  • Log off from the WEB-UI immediately after administration.
  • Disable the WEB-UI and use configuration access via SNMP instead. Ensure the system password is strong as this is also the SNMP write community.
  • Ensure the system password is strong as this is also the SNMP write community.
  • Please see VDE-2019-006 at the following location for more details.

Affected Vendors

Phoenix Contact

Affected Products (4)

Phoenix Contact · industrial Ethernet switch FL NAT SMCS 8TX 2989378
Phoenix Contact · industrial Ethernet switch FL NAT SMN 8TX-M 2702443
Phoenix Contact · industrial Ethernet switch FL NAT SMN 8TX 2989365
Phoenix Contact · industrial Ethernet switch FL NAT SMN 8TX-M-DMG 2989352

Affected Sectors

Communications, Critical Manufacturing, Information Technology

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