description: A vulnerability has been identified in OpenPCS 7 V9.1 (All versions), SIMATIC BATCH V9.1 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC Route Control V9.1 (All versions), SIMATIC WinCC Runtime Professional V18 (All versions), SIMATIC WinCC Runtime Professional V19 (All versions), SIMATIC WinCC V7.4 (All versions), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 15), SIMATIC WinCC V8.0 (All versions < V8.0 SP4). The implementation of the RPC (Remote Procedure call)
communication protocol in the affected products do not
properly handle certain unorganized RPC messages. An
attacker could use this vulnerability to cause a denial of service
condition in the RPC server.
problem types: CWE-476: NULL Pointer Dereference
affected:
{
vendor: Siemens
product: OpenPCS 7 V9.1
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC BATCH V9.1
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC PCS 7 V9.1
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC Route Control V9.1
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC Runtime Professional V18
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC Runtime Professional V19
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC V7.4
versions:
status: affected, version: 0, lessThan: *, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC V7.5
versions:
status: affected, version: 0, lessThan: V7.5 SP2 Update 15, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC V8.0
versions:
status: affected, version: 0, lessThan: V8.0 SP4, versionType: custom
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 6.5
baseSeverity: MEDIUM
]