CVE-2017-11402

Critical

Description

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Design flaws in OPC classic and in custom netfilter modules allow an attacker to remotely activate rules on the firewall and to connect to any TCP port of a protected asset, thus bypassing the firewall. The attack methodology is a crafted OPC dynamic port shift.

SeverityCritical
CVSS9.8
Exploit probability—
ProductBelden Tofino Xenon Security Appliance Firmware
PublishedNov 20, 2017
First seenNov 20, 2017

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
belden tofino_xenon_security_appliance_firmwarev ≤ 3.1.0—

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