title: Plaintext Storage of a password in CODESYS V3 OPC DA Server
description: The CODESYS OPC DA Server prior V3.5.18.20 stores PLC passwords as plain text in its configuration file so that it is visible to all authorized Microsoft Windows users of the system.
problem types: CWE-256 Unprotected Storage of Credentials
affected:
{
product: CODESYS OPC DA Server
vendor: CODESYS
versions:
lessThanOrEqual: V3.5.18.20, status: affected, version: V3, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 5.5
baseSeverity: MEDIUM
confidentialityImpact: HIGH
integrityImpact: NONE
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
version: 3.1
]