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CVE-2017-11402

Published: Nov 20, 2017Updated: May 13, 2026 Sources: CVE List NVD BDUCWE-20
9.8CRITICAL
NVD MITRE
EPSS Score
1.5%
Top 27.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

belden
commercial·USaka belden hirschmann, tofino security appliance
tofino xenon security appliance firmware
Networking Infrastructure
Belden Inc.
commercial·USaka belden
Tofino Xenon Security Appliance
Networking Infrastructure
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2017-11402?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt
github.com
https://www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdf
belden.com
https://github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txt
github.com

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