title: CODESYS runtime system prone to directory acces
description: In multiple CODESYS products, file download and upload function allows access to internal files in the working directory e.g. firmware files of the PLC. All requests are processed on the controller only if no level 1 password is configured on the controller or if remote attacker has previously successfully authenticated himself to the controller. A successful Attack may lead to a denial of service, change of local files, or drain of confidential Information. User interaction is not required
problem types: CWE-552 Files or Directories Accessible to External Parties
affected:
{
platforms: 32 bit
product: Runtime Toolkit
vendor: CODESYS
versions:
lessThan: V2.4.7.57, status: affected, version: V2, versionType: custom
}
{
product: PLCWinNT
vendor: CODESYS
versions:
lessThan: V2.4.7.57, status: affected, version: V2, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]