CVE-2018-7792: schneider electric se modicon m221, all references, all versions prior to firmware v1.6.2.0 Missing Authorization
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.
Timeline
- 29-08-2018PublishedVulnerability first disclosed.
- 29-05-2026Last 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- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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
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 electric se1 product
- modicon m221, all references, all versions prior to firmware v1.6.2.0Modicon M221, all references, all versions prior to firmware V1.6.2.0
Schneider-electric1 product
- modicon_m221_firmware< 1.6.2.0
2 vendors · 2 products
References
2 links- www.schneider-electric.com/en/download/document/SEVD-2018-235-01/X Refsource CONFIRMMitigationVendor Advisory