Schneider Electric PowerChute Serial Shutdown
Schneider Electric PowerChute Serial Shutdown has vulnerabilities allowing unauthorized access.
Schneider Electric has disclosed vulnerabilities in its PowerChute Serial Shutdown software, affecting versions 1.5 and prior. The flaw, identified as CVE-2026-13348, could allow attackers to gain unauthorized access to user accounts through excessive authentication attempts. A fix is available in version 1.6, which is recommended for immediate deployment to mitigate risks of operational disruption and data access.
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The lesson from this incident
Full lessonSchneider 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.
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Indicators of Compromise
Extracted by AI from the linked source. Not reviewed by an editor. How this works
- cve — CVE-2026-13348