CVE-2018-7242: schneider electric se modicon premium, modicon quantum, modicon m340, bmxnor0200 Inadequate Encryption Strength
Vulnerability summary
CVE-2018-7242 is a critical (CVSS 9.8) Inadequate Encryption Strength vulnerability in schneider electric se modicon premium, modicon quantum, modicon m340, bmxnor0200. EPSS estimates a 1.88% chance of exploitation in the next 30 days, higher than 79.1% of scored vulnerabilities.
Timeline
- 18-04-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.88%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
-0.04 pp
From 1.92% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Schneider-electric57 products
- 140cpu31110_firmwarena
- 140cpu31110c_firmwarena
- 140cpu43412u_firmwarena
- 140cpu43412uc_firmwarena
- 140cpu65150_firmwarena
Schneider electric se1 product
- modicon premium, modicon quantum, modicon m340, bmxnor0200All versions of communication modules for Modicon Premium, Quantum, M340 and BMXNOR0200
2 vendors · 58 products
References
3 links- ics-cert.us-cert.gov/advisories/ICSA-18-086-01X Refsource MISCThird Party AdvisoryUS Government Resource