description: A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists that could cause a disruption of communication between the Modicon controller and the engineering software, when an attacker is able to intercept and manipulate specific Modbus response data. Affected Product: EcoStruxure Process Expert (V2021 and prior), EcoStruxure Control Expert (V15.0 SP1 and prior)
problem types: CWE-754 Improper Check for Unusual or Exceptional Conditions
affected:
{
product: EcoStruxure Process Expert
vendor: Schneider Electric
versions:
status: affected, version: V2021 and prior
}
{
product: EcoStruxure Control Expert
vendor: Schneider Electric
versions:
status: affected, version: V15.0 SP1 and prior
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
version: 3.1
]