Summary
Schneider Electric is aware of a vulnerability disclosed on the Erlang/OTP's SSH Server
component used Schneider Electric Galaxy VS, VL, and VXL.Many vendors, including Schneider Electric, embed the Erlang/OTP's SSH Server in their offers.The Galaxy VS, Galaxy VL, Galaxy VXL products are 3-phase UPS for data centers and other business critical applications.Failure to apply the mitigation provided below may risk unauthenticated remote code execution (RCE), which could impact the monitoring capabilities of the UPS and potential UPS operation.
Vulnerabilities 1
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Critical 10.0
Erlang/OTP SSH Vulnerable to Pre-Authentication RCE
Erlang/OTP is a set of libraries for the Erlang programming language. Prior to versions OTP-27.3.3, OTP-26.2.5.11, and OTP-25.3.2.20, a SSH server may allow an attacker to perform unauthenticated remote code execution (RCE). By exploiting a flaw in SSH protoc…
KEV Jun 9, 2025
Revision history
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#3.0.0
Added missing CVE and CWE
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#2.0.0
Remediations are now available for Galaxy VS, Galaxy VL, and Galaxy VXL
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#1.0.0
Original Release
References
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Galaxy VS, Galaxy VL, Galaxy VXL - SEVD-2025-133-05 PDF Version
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-133-05&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-133-05.pdf
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Recommended Cybersecurity Best Practices
https://www.se.com/us/en/download/document/7EN52-0390
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GitHub Security Advisory
https://github.com/erlang/otp/security/advisories/GHSA-37cp-fgq5-7wc2
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ICS Advisory ICSA-25-140-07 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-07
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b