Description
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V3.X.17), SIMATIC TDC CP51M1 (All versions < V1.1.8), SIMATIC TDC CPU555 (All versions < V1.1.1), SINUMERIK 840D sl (All versions < V4.8.6), SINUMERIK 840D sl (All versions < V4.94). Specially crafted packets sent to port 102/tcp (Profinet) could cause the affected device to go into defect mode. A restart is required in order to recover the system. Successful exploitation requires an attacker to have network access to port 102/tcp, with no authentication. No user interation is required. At the time of advisory publication no public exploitation of this security vulnerability was known.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Siemens AG SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)
All versions < V3.X.17affected
Siemens AG SIMATIC TDC CP51M1
All versions < V1.1.8affected
Siemens AG SIMATIC TDC CPU555
All versions < V1.1.1affected
Siemens AG SINUMERIK 840D sl
All versions < V4.8.6affected
Siemens AG SINUMERIK 840D sl
All versions < V4.94affected