A CWE-754 Improper Check for Unusual or Exceptional Conditions vulnerability exists in Triconex TriStation Emulator V1.2.0, which could cau…

Published 7 y ago 2019-05-22 · modified 4 mo ago 2026-06-17 · JSON

CVSS

5.9

v3.0 · NVD

CISA KEV

not known exploited

EPSS

1.1%

percentile 67%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.14% probability of exploitation in the next 30 days, higher than 67% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	5.9	`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:N/A:P`

Affected products

n/a Triconex TriStation Emulator V1.2.0

Classification

Weakness

CWE-754 Improper Check for Unusual or Exceptional Conditions

References

schneider-electric.com /ww/en/download/document/SEVD-2019-071-03 · x_refsource_MISC, x_transferred

Sources

CVE List: CVE-2018-7803
NVD: CVE-2018-7803

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