CVE-2017-11402: belden tofino_xenon_security_appliance_firmware Improper Input Validation
Vulnerability summary
CVE-2017-11402 is a high (CVSS 10.0) Improper Input Validation vulnerability in belden tofino_xenon_security_appliance_firmware. EPSS estimates a 1.54% chance of exploitation in the next 30 days, higher than 74.6% of scored vulnerabilities.
Timeline
- 20-11-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.54%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.54% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Belden1 product
1 vendor · 1 product
References
2 links- www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdfX Refsource MISCVendor Advisory
- github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txtX Refsource MISCThird Party Advisory