What’s Vulnerable › Vulnerabilities

CVE-2018-7803

• Severity: medium (CVSS 5.9 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-05-22 · updated 2026-06-17
• Weakness: CWE-754

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.

Affected products

• Triconex TriStation Emulator V1.2.0: 1.2.0

References

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

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