title: MZ Automation libIEC61850 Stack-Based Buffer Overflow
description: MZ Automation's libIEC61850 (versions 1.4 and prior; version 1.5 prior to commit a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e) is vulnerable to a stack-based buffer overflow, which could allow an attacker to crash the device or remotely execute arbitrary code.
problem types: CWE-121 Stack-based Buffer Overflow
affected:
{
product: libIEC61850
vendor: MZ Automation
versions:
lessThanOrEqual: 1.4, status: affected, version: All, versionType: custom
lessThan: Commit: a3b04b7bc4872a5a39e5de3fdc5fbde52c09e10e, status: affected, version: Version 1.5, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 10
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: CHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
version: 3.1
]