An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.

A vulnerability has been identified in Primary Setup Tool (PST) (All versions < V4.2 HF1), SIMATIC IT Production Suite (All versions < V7.0 SP1 HFX 2), SIMATIC NET PC-Software (All versions < V14), SIMATIC PCS 7 V7.1 (All versions), SIMATIC PCS 7 V8.0 (All versions), SIMATIC PCS 7 V8.1 (All versions), SIMATIC PCS 7 V8.2 (All versions < V8.2 SP1), SIMATIC STEP 7 (TIA Portal) V13 (All versions < V13 SP2), SIMATIC STEP 7 V5.X (All versions < V5.5 SP4 HF11), SIMATIC WinCC (TIA Portal) Basic, Comfort, Advanced (All versions < V14), SIMATIC WinCC (TIA Portal) Professional V13 (All versions < V13 SP2), SIMATIC WinCC (TIA Portal) Professional V14 (All versions < V14 SP1), SIMATIC WinCC Runtime Professional V13 (All versions < V13 SP2), SIMATIC WinCC Runtime Professional V14 (All versions < V14 SP1), SIMATIC WinCC V7.0 SP2 and earlier versions (All versions < V7.0 SP2 Upd 12), SIMATIC WinCC V7.0 SP3 (All versions < V7.0 SP3 Upd 8), SIMATIC WinCC V7.2 (All versions < V7.2 Upd 14), SIMATIC WinCC…

The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMATIC PCS 7 7.1 through SP4, 8.0 through SP2, and 8.1; and TIA Portal 13 before Update 6 allows remote attackers to execute arbitrary code via crafted packets.

The WinCC server in Siemens SIMATIC WinCC 7.0 through SP3, 7.2 before Update 9, and 7.3 before Update 2; SIMATIC PCS 7 7.1 through SP4, 8.0 through SP2, and 8.1; and TIA Portal 13 before Update 6 allows remote attackers to read arbitrary files via crafted packets.