Vulnerability in Schneider-electric Modicon_m340

CVE-2018-7849

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 possible Denial of Service due to improper data integrity check when sending file…

EPSS: 0.033 (86.9th 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-2018-7849?
CVE-2018-7849 is a high-severity vulnerability in Schneider-electric Modicon_m340, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2019-05-22.
How severe is CVE-2018-7849?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2018-7849 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.