CVE•Published 2020-11-19•Modified 2026-05-29•0 articles on news•6 live references•NVD data
CVE-2020-7565Schneider-electric · Modicon_m221_firmware
Vulnerability data via NVD (ingested)
CVSS v3.1
7.3
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
Description
A CWE-326: Inadequate Encryption Strength vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption key when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Timeline
Published 2020-11-19
Modified 2026-05-29
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-2020-7565Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Modicon M221 Firmware"Hosts Shodan identified as running Modicon M221 Firmware.
More intel sources (5)
Shodan report
vuln:CVE-2020-7565Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-7565Censys host search filtered to this CVE id.
grep.app
CVE-2020-7565Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-7565GitHub code search for direct mentions.
Google dork
"CVE-2020-7565" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2020-7565 yet. The external references above still apply.