description:
In Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file overwrite vulnerability, which could allow an attacker to overwrite any file in the operating system (including system files), inject code into an XLS file, and modify the file extension, which could lead to arbitrary code execution.
problem types: CWE-94 Improper Control of Generation of Code ('Code Injection')
affected:
{
defaultStatus: unaffected
product: WebAccess/SCADA
vendor: Advantech
versions:
lessThanOrEqual: v9.1.3, status: affected, version: 0, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 7.2
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: HIGH
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL
solutions:
Advantech recommends WebAccess/SCADA users upgrade to  v9.1.4 https://www.advantech.com/en/support/details/installation .