Improper input validation in Belden Tofino Xenon Security Appliance
CVE-2017-11402
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (74.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 74.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-… (Vendor Advisory)
- github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt (Third Party Advisory)
Frequently asked questions
- What is CVE-2017-11402?
- CVE-2017-11402 is a critical-severity vulnerability in Belden Tofino Xenon Security Appliance, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2017-11-20.
- How severe is CVE-2017-11402?
- Critical severity. CVSS v3 base score is 9.8 out of 10.