description: A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.
problem types: CWE-20: Improper Input Validation
affected:
{
product: SIMATIC S7-300 CPU family
vendor: Siemens AG
versions:
status: affected, version: All versions
}
{
product: SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)
vendor: Siemens AG
versions:
status: affected, version: All versions
}
{
product: SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)
vendor: Siemens AG
versions:
status: affected, version: All versions
}
{
product: SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)
vendor: Siemens AG
versions:
status: affected, version: All versions
}
{
product: SIMATIC S7-400 V6 and earlier CPU family
vendor: Siemens AG
versions:
status: affected, version: All versions
}
{
product: SIMATIC S7-400 V7 CPU family
vendor: Siemens AG
versions:
status: affected, version: All versions
}
