9.8

CVE-2018-7242: schneider electric se modicon premium, modicon quantum, modicon m340, bmxnor0200 Inadequate Encryption Strength

CVSS: 9.8v3.0CriticalModified
Published 18-04-2018Last modified 05-08-2024

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.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
1.88%
0%100%
Low · -0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-04-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

EPSS 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

18-09-202618-10-2026
EPSS score
1.88%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Schneider-electric57 products
Schneider electric se1 product

2 vendors · 58 products

References

3 links