description: A vulnerability has been identified in SIMATIC PCS 7 V8.2 and earlier (All versions), SIMATIC PCS 7 V9.X (All versions < V9.1 SP2), SIMATIC PDM (All versions < V9.2 SP2), SIMATIC STEP 7 V5.X (All versions < V5.7), SINAMICS STARTER (containing STEP 7 OEM version) (All versions < V5.4 SP2 HF1). A directory containing metafiles relevant to devices' configurations has write permissions. An attacker could leverage this vulnerability by changing the content of certain metafiles and subsequently manipulate parameters or behavior of devices that would be later configured by the affected software.
problem types: CWE-732: Incorrect Permission Assignment for Critical Resource
affected:
{
product: SIMATIC PCS 7 V8.2 and earlier
vendor: Siemens
versions:
status: affected, version: All versions
}
{
product: SIMATIC PCS 7 V9.X
vendor: Siemens
versions:
status: affected, version: All versions < V9.1 SP2
}
{
product: SIMATIC PDM
vendor: Siemens
versions:
status: affected, version: All versions < V9.2 SP2
}
{
product: SIMATIC STEP 7 V5.X
vendor: Siemens
versions:
status: affected, version: All versions < V5.7
}
{
product: SINAMICS STARTER (containing STEP 7 OEM version)
vendor: Siemens
versions:
status: affected, version: All versions <  V5.4 SP2 HF1
}
