[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fYfyjJ9Z5rKovEBXMh3nWXyJjrr-pPOGBVT_qlijz-lI":3},{"lesson":4},{"id":5,"slug":6,"article_id":7,"title":8,"body":9,"prevention":10,"framework_refs":11,"framework_notes":22,"status":23,"created_at":24,"published_at":25,"article":26,"tags":30,"podcasts":43,"controls":44},"e15d6941-f17c-4c71-b101-eb838b8db804","schneider-electric-powerchute-flaw-exposes-systems-to-brute-force-account-takeover","0971b0d6-74f6-4011-903d-ec09e213511e","Schneider Electric PowerChute Flaw Exposes Systems to Brute-Force Account Takeover","Schneider Electric's PowerChute Serial Shutdown software (versions 1.5 and prior) contains a vulnerability (CVE-2026-13348) that fails to limit excessive authentication attempts, effectively enabling brute-force attacks against user accounts. This type of flaw is particularly dangerous in operational technology (OT) environments, where software managing power and shutdown sequences can directly impact physical infrastructure. The vendor has released version 1.6 as a fix, making prompt patching critical. Delays in applying the patch leave systems exposed to unauthorized access, potential operational disruption, and sensitive data compromise — risks that are especially severe in industrial and critical infrastructure settings.","**Immediate actions:**\n- Upgrade all instances of PowerChute Serial Shutdown to version 1.6 immediately as directed by Schneider Electric's advisory.\n- Restrict network access to PowerChute management interfaces using firewall rules or access control lists to limit exposure while patching is in progress.\n\n**Long-term improvements:**\n- Implement an account lockout policy and multi-factor authentication (MFA) on all OT and IT management software to mitigate brute-force risks.\n- Maintain a continuously updated asset inventory of all OT\u002FSCADA software versions to ensure rapid identification of affected systems during future advisories.\n- Establish a formal OT patch management program with defined SLAs for critical vulnerabilities affecting industrial control systems.\n\n**Detection measures:**\n- Deploy logging and alerting on repeated failed authentication attempts against PowerChute and similar management interfaces to detect brute-force activity in real time.\n- Conduct regular vulnerability scans of OT environments using ICS-aware tools to identify unpatched or end-of-life software before attackers can exploit it.",[12,13,14,15,16,17,18,19,20,21],"CIS Control 7: Continuous Vulnerability Management","CIS Control 6: Access Control Management","CIS Control 12: Network Infrastructure Management","NIST SP 800-82: Guide to ICS Security","NIST AC-7: Unsuccessful Logon Attempts","NIST SI-2: Flaw Remediation","NIST IA-5: Authenticator Management","IEC 62443-3-3: System Security Requirements (SR 1.11 – Unsuccessful Login Attempts)","NERC CIP-007-6: Systems Security Management (Patch Management)","ITIL Change Management: Emergency Change Procedure",{},"published","2026-09-17T19:20:41.616307+00:00","2026-09-17T19:20:41.474+00:00",{"id":7,"url":27,"slug":28,"title":29},"https:\u002F\u002Fwww.cisa.gov\u002Fnews-events\u002Fics-advisories\u002Ficsa-26-260-07","schneider-electric-powerchute-serial-shutdown-3e6245","Schneider Electric PowerChute Serial Shutdown",[31,37],{"id":32,"name":33,"slug":34,"description":35,"color":36},"1ec88fde-2d0f-4ed8-932a-33f5ccc0fdc7","Access Control","access-control","Excessive privileges, missing MFA, weak auth","#f97316",{"id":38,"name":39,"slug":40,"description":41,"color":42},"af7fce9e-1ce8-4156-93bc-09dcfbfdf29d","Patch Management","patch-management","Unpatched vulnerabilities, delayed updates","#ef4444",[],[45,49,53],{"slug":46,"name":47,"problem":48},"phishing-resistant-mfa","Phishing-resistant MFA","A stolen password, or a user who taps Approve on a push prompt, is no longer enough to log in.",{"slug":50,"name":51,"problem":52},"vulnerability-management","Vulnerability scanning and prioritisation","You know which systems are vulnerable, and which ones to fix first.",{"slug":40,"name":54,"problem":55},"Automated patch management","Known holes get closed in days, not months."]