CVE-2017-11402
9.8 · CRITICALOverview
CVE-2017-11402 is a critical-severity vulnerability affecting belden tofino_xenon_security_appliance_firmware. It was published on November 20, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from belden. Update tofino_xenon_security_appliance_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| belden | tofino_xenon_security_appliance_firmware | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2017-11402?
CVE-2017-11402 is a critical-severity vulnerability affecting belden tofino_xenon_security_appliance_firmware. It was published on November 20, 2017 and has a CVSS 3.0 base score of 9.8 (CRITICAL).
How severe is CVE-2017-11402?
This vulnerability has a CVSS 3.0 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2017-11402?
Check the references section for vendor advisories and patches from belden. Update tofino_xenon_security_appliance_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2017-11402?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-11402 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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