Improper Restriction of Excessive Authentication Attempts in PowerChute Serial Shutdown - CVE-2025-11566

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Main Vulnerability Database Vulnerabilities #VU119888

Improper Restriction of Excessive Authentication Attempts in PowerChute Serial Shutdown - CVE-2025-11566

Published: December 12, 2025


Vulnerability identifier: #VU119888
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-11566
CWE-ID: CWE-307
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Schneider Electric
Affected software:
PowerChute Serial Shutdown

Detailed vulnerability description

The vulnerability allows a local attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the affected module does not limit the number of password attempts within the /REST/shutdownnow endpoint. A local attacker can perform a brute-force attack and gain access to the user account.


How to mitigate CVE-2025-11566

Install updates from vendor's website.

Sources