VULNERABILITY INTELLIGENCE

CVE-2018-7242

CVSS score9.8 CRITICAL

EPSS probability1.88%

CISA KEVNot currently listed

Published2018-04-18

Last modified2026-06-17

CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules. The algorithm used to encrypt the password is vulnerable to hash collision attacks.

Weakness classification

CWE-326: Inadequate Encryption Strength

Primary references

cybersecurity@se.com — Third Party Advisory, VDB Entry
cybersecurity@se.com — Third Party Advisory, US Government Resource
cybersecurity@se.com — Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory