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CVE-2017-11401

Published: Nov 20, 2017Updated: May 13, 2026 Sources: CVE List NVDNVD-CWE-noinfo
9.8CRITICAL
NVD MITRE
EPSS Score
1.4%
Top 30.2%
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. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.

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

NVD-CWE-noinfo

Affected Products

belden
commercial·USaka belden hirschmann, tofino security appliance
tofino xenon security appliance firmware
Networking Infrastructure
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2017-11401?We can run the check for you — a free external exposure review, no install. Check my exposure

References

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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