description: A CWE-200: Information Exposure vulnerability exists that could cause the exposure of sensitive information stored on the memory of the controller when communicating over the Modbus TCP protocol. Affected Products: Modicon M340 CPU (part numbers BMXP34*) (Versions prior to V3.30), Modicon M580 CPU (part numbers BMEP* and BMEH*) (Versions prior to SV3.20), Modicon MC80 (BMKC80) (Versions prior to V1.6), Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S) (All Versions), Modicon Momentum MDI (171CBU*) (Versions prior to V2.3), Legacy Modicon Quantum (All Versions)
problem types: CWE-200 Information Exposure
affected:
{
vendor: Schneider Electric
product: Modicon M340 CPU (part numbers BMXP34*)
versions:
version: All, status: affected, lessThan: V3.30, versionType: custom
}
{
vendor: Schneider Electric
product: Modicon M580 CPU (part numbers BMEP* and BMEH*)
versions:
version: All, status: affected, lessThan: V3.20, versionType: custom
}
{
vendor: Schneider Electric
product: Modicon M580 CPU Safety (part numbers BMEP58*S and BMEH58*S)
versions:
version: All Versions, status: affected
}
{
vendor: Schneider Electric
product: Modicon MC80 (BMKC80)
versions:
version: All, status: affected, lessThan: V1.6, versionType: custom
}
{
vendor: Schneider Electric
product: Modicon Momentum CPU (171CBU*)
versions:
version: All, status: affected, lessThan: V2.3, versionType: custom
}
{
vendor: Schneider Electric
product: Legacy Modicon Quantum
versions:
version: All Versions, status: affected
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: NONE
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: HIGH
integrityImpact: NONE
availabilityImpact: NONE
baseScore: 7.5
baseSeverity: HIGH
]