Summary
Schneider Electric is aware of a vulnerability in its EcostruxureTM Machine Expert HVAC product.
The [EcostruxureTM Machine Expert HVAC](https://www.se.com/ww/en/download/document/EcoStruxureME_HVAC/) product is a programming software for Modicon M171-M172 logic
controllers.
Failure to apply the remediation provided below may risk in revealing sensitive information, which could result
in disclosing protected source code, leading to loss of confidentiality.
Vulnerabilities 1
-
Medium 6.8
Clear Text Storage of Sensitive Information on EcoStruxure™ Machine Expert HVAC
CWE-312: Cleartext Storage of Sensitive Information vulnerability exists that could cause the disclosure of a sensitive information which could result in revealing protected source code and loss of confidentiality, When an authorized attacker accesses the sou…
Revision history
-
#2
Initial CISA Republication of Schneider Electric CPCERT SEVD-2026-132-01 advisory
-
#1
Original Release
References
-
Clear Text Storage of Sensitive Information vulnerability on EcoStruxure™ Machine Expert HVAC - SEVD-2026-132-01 PDF Version
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2026-132-01&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2026-132-01.pdf
-
Recommended Cybersecurity Best Practices
https://www.se.com/ww/en/download/document/7EN52-0390/
-
ICS Advisory ICSA-26-148-07 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-148-07
-
Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
-
Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
-
Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
-
Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
-
Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
-
Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b