title: WAGO I/O-Check Service prone to Out-of-bounds Read
description: In WAGO I/O-Check Service in multiple products an unauthenticated remote attacker can send a specially crafted packet containing OS commands to provoke a denial of service and an limited out-of-bounds read.
problem types: CWE-125 Out-of-bounds Read
affected:
{
defaultStatus: unaffected
product: 750-81xx/xxx-xxxFW
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 750-82xx/xxx-xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 752-8303/8000-0002
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-4xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-5xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
{
defaultStatus: unaffected
product: 762-6xxx
vendor: WAGO
versions:
lessThanOrEqual: FW18 Patch 2, status: affected, version: FW1, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.2
baseSeverity: HIGH
confidentialityImpact: LOW
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
version: 3.1
]
format: CVSS
scenarios: GENERAL