CVE-2018-7803

Name: CVE-2018-7803
Creator: NVD / NIST
Published: 2019-05-22T21:29:00.277+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.14%

Last modified Jun 17, 2026

CVE-2018-7803 is a vulnerability of currently unknown severity. A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cause the emulator to crash when sending a specially crafted packet. The emulator is used infrequently for application logic testing. It is susceptible to an attack only while running in off-line mode. This vulnerability does not exist in Triconex hardware products and therefore has no effect on the operating safety functions in a plant.

Metrics

EPSS Probability

1.14%

62.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-754

Affected Software

Vendor	Product	Versions
Schneider-Electric	Triconex Tristation Emulator	1.2.0

References

https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-071-03Vendor Advisory
https://www.schneider-electric.com/ww/en/download/document/SEVD-2019-071-03Vendor Advisory

Timeline

Published: May 22, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7803?

How severe is CVE-2018-7803?

Severity scoring for CVE-2018-7803 is pending analysis. The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7803?

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.

Are you affected by CVE-2018-7803?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST