7.5

CVE-2018-7792: schneider electric se modicon m221, all references, all versions prior to firmware v1.6.2.0 Missing Authorization

CVSS: 7.5v3.1HighModified
Published 29-08-2018Last modified 29-05-2026

Vulnerability summary

CVE-2018-7792 is a high (CVSS 7.5) Missing Authorization vulnerability in schneider electric se modicon m221, all references, all versions prior to firmware v1.6.2.0. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 29-08-2018
    PublishedVulnerability first disclosed.
  2. 29-05-2026
    Last modifiedVulnerability information updated.

Description

A Permissions, Privileges, and Access Control vulnerability exists in Schneider Electric's Modicon M221 product (all references, all versions prior to firmware V1.6.2.0). The vulnerability allows unauthorized users to decode the password using rainbow table.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.05%

Chance of exploitation in the next 30 days

Percentile

64%

Versus all other CVEs

30-day change

0.00 pp

From 1.05% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.05%

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 electric se1 product
Schneider-electric1 product

2 vendors · 2 products

References

2 links