title: MXsecurity Authentication Bypass
description: There is a vulnerability in MXsecurity versions prior to 1.0.1 that can be exploited to bypass authentication. A remote attacker might access the system if the web service authenticator has insufficient random values.
problem types: CWE-334: Small Space of Random Values
affected:
{
defaultStatus: unaffected
product: MXsecurity Series
vendor: Moxa
versions:
lessThanOrEqual: 1.0.1, status: affected, version: 1.0, 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
]
format: CVSS
scenarios: GENERAL
solutions: Moxa has developed appropriate solution to address the vulnerability. The solution for affected product is shown below.
*  MXsecurity: Please upgrade to software v1.1.0 or higher.