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CVE-2017-11401

UnknownEPSS 1.40%

Last modified

CVE-2017-11401 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.40% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.40%

69.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
BeldenTofino Xenon Security Appliance Firmware<= 3.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-11401?
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.
How severe is CVE-2017-11401?
Severity scoring for CVE-2017-11401 is pending analysis. The EPSS model estimates a 1.40% probability of exploitation in the next 30 days.
How do I fix CVE-2017-11401?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST