7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
0.001 Low
EPSS
Percentile
38.4%
A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 and prior), Modicon M580 CPU (part numbers BMEP* and BMEH*)(V3.22 and prior), Legacy Modicon Quantum/Premium(All Versions), Modicon Momentum MDI (171CBU*)(All Versions), Modicon MC80 (BMKC80)(V1.7 and prior)
[
{
"vendor": "Schneider Electric",
"product": "Modicon M340 CPU (part numbers BMXP34*)",
"versions": [
{
"version": "V",
"status": "affected",
"lessThanOrEqual": "3.40",
"versionType": "custom"
}
]
},
{
"vendor": "Schneider Electric",
"product": "Modicon M580 CPU (part numbers BMEP* and BMEH*) ",
"versions": [
{
"version": "V",
"status": "affected",
"lessThanOrEqual": "3.22",
"versionType": "custom"
}
]
},
{
"vendor": "Schneider Electric",
"product": "Legacy Modicon Quantum/Premium",
"versions": [
{
"version": "All Versions",
"status": "affected"
}
]
},
{
"vendor": "Schneider Electric",
"product": "Modicon Momentum MDI (171CBU*)",
"versions": [
{
"version": "All Versions",
"status": "affected"
}
]
},
{
"vendor": "Schneider Electric",
"product": "Modicon MC80 (BMKC80)",
"versions": [
{
"version": "V",
"status": "affected",
"lessThanOrEqual": "1.7",
"versionType": "custom"
}
]
}
]