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7.5

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 co...

CVE-2020-7488 · published 6 years ago
Summary

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
schneider-electric ecostruxure_machine_expert All versions
cpe:2.3:a:schneider-electric:ecostruxure_machine_expert:*:*:*:*:*:*:*:*
schneider-electric somachine All versions
cpe:2.3:a:schneider-electric:somachine:*:*:*:*:*:*:*:*
schneider-electric somachine_motion All versions
cpe:2.3:a:schneider-electric:somachine_motion:*:*:*:*:*:*:*:*
schneider-electric modicon_m218_firmware All versions
cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon_m241_firmware All versions
cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon_m251_firmware All versions
cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
schneider-electric modicon_m258_firmware All versions
cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
Original advisory text
A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 co...
A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.5 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-319Cleartext Transmission of Sensitive Information
Timeline
Published22 Apr 2020
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-7488 · NVD
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