CVE-2018-7855
CVSS v3
7.5
HIGH
EPSS Score
2.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a Denial of Service when sending invalid breakpoint parameters to the controller over Modbus
Technical details
- Published
- 2019-05-22
Frequently asked questions
What is CVE-2018-7855?
A CWE-248 Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a Denial of Service when sending invalid breakpoint parameters to the controller over Modbus
Is CVE-2018-7855 actively exploited?
Active exploitation of CVE-2018-7855 has not been confirmed. Its EPSS score was 2.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-7855?
CVE-2018-7855 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2018-7855 affecting your environment?
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