CVE•Published 2020-12-11•Modified 2026-05-28•0 articles on news•7 live references•NVD data

CVE-2020-28214Schneider-electric · Modicon_m221_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

5.5

MEDIUM

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

EPSS percentile

Exploit Prediction Scoring System · top 82% of all CVEs

Weaknesses (CWE)

CWE-760Use of a One-Way Hash with a Predictable Salt

Description

A CWE-760: Use of a One-Way Hash with a Predictable Salt vulnerability exists in Modicon M221 (all references, all versions), that could allow an attacker to pre-compute the hash value using dictionary attack technique such as rainbow tables, effectively disabling the protection that an unpredictable salt would provide.

Timeline

Published 2020-12-11

Modified 2026-05-28

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-2020-28214

Hosts 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-2020-28214

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2020-28214