Vulnerability in Schneider-electric Modicon_m340

CVE-2018-7854

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 debug parameters to the controller over Mo…

EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-7854?
CVE-2018-7854 is a high-severity vulnerability in Schneider-electric Modicon_m340, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2019-05-22.
How severe is CVE-2018-7854?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-7854 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.