CVE•Published 2019-05-22•Modified 2026-05-28•1 article on news•6 live references•NVD data
CVE-2019-6820Schneider-electric · Modicon_m100_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
8.2
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
EPSS percentile
53
Exploit Prediction Scoring System · top 47% of all CVEs
Weaknesses (CWE)
Description
A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2
Timeline
Published 2019-05-22
Modified 2026-05-28
External references
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-2019-6820Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Modicon M100 Firmware"Hosts Shodan identified as running Modicon M100 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2019-6820Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-6820Censys host search filtered to this CVE id.
grep.app
CVE-2019-6820Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-6820GitHub code search for direct mentions.
Google dork
"CVE-2019-6820" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.