CVE•Published 2019-09-17•Modified 2026-05-29•0 articles on news•6 live references•NVD data

CVE-2019-6829Schneider-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 41% of all CVEs

Weaknesses (CWE)

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

Description

A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware version prior to V2.90) and Modicon M340 (firmware version prior to V3.10), which could cause a possible denial of service when writing to specific memory addresses in the controller over Modbus.

Timeline

Published 2019-09-17

Modified 2026-05-29

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus 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-2019-6829

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-2019-6829

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2019-6829