CVE•Published 2019-05-22•Modified 2026-05-29•0 articles on news•7 live references•NVD data

CVE-2018-7852Schneider-electric · Modicon_m580_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS percentile

Exploit Prediction Scoring System · top 6% of all CVEs

Weaknesses (CWE)

CWE-755Improper Handling of Exceptional Conditions CWE-248Uncaught Exception

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 denial of service when an invalid private command parameter is sent to the controller over Modbus.

Timeline

Published 2019-05-22

Modified 2026-05-29

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2018-7852

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Modicon M580 Firmware"

Hosts Shodan identified as running Modicon M580 Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2018-7852

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2018-7852