title: Moxa NPort IAW5000A-I/O Series Serial Device Server Stack-based Buffer Overflow
description: Five buffer overflows in the built-in web server in Moxa NPort IAW5000A-I/O series firmware version 2.2 or earlier may allow a remote attacker to initiate a denial-of-service attack and execute arbitrary code.
problem types: CWE-121 Stack-based Buffer Overflow
affected:
{
product: NPort IAW5000A-I/O series firmware
vendor: Moxa
versions:
lessThanOrEqual: 2.2, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 9.8
baseSeverity: CRITICAL
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Moxa has developed solutions to address these vulnerabilities. Please contact Moxa Technical Support for a security patch.
Moxa has also published a security advisory to provide more information.