high
7.5
CWE
353 345
Advisory Published
Updated

CVE-2019-10943

First published: Tue Aug 13 2019(Updated: )

A vulnerability has been identified in SIMATIC Drive Controller family (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC (incl. SIPLUS variants) (All versions), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V20.8), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V20.8), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions < V4.4.0), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.4.0), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions < V2.8.1), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.8.1), SIMATIC S7-1500 Software Controller (All versions < V20.8), SIMATIC S7-1500 Software Controller (All versions >= V20.8), SIMATIC S7-PLCSIM Advanced (All versions < V3.0), SIMATIC S7-PLCSIM Advanced (All versions >= V3.0). An attacker with network access to port 102/tcp could potentially modify the user program on the PLC in a way that the running code is different from the source code which is stored on the device. An attacker must have network access to affected devices and must be able to perform changes to the user program. The vulnerability could impact the perceived integrity of the user program stored on the CPU. An engineer that tries to obtain the code of the user program running on the device, can receive different source code that is not actually running on the device.

Credit: productcert@siemens.com

Affected SoftwareAffected VersionHow to fix
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc Firmware
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2 Firmware<20.8
Siemens Simatic Et 200sp Open Controller Cpu 1515sp Pc2
Siemens Simatic S7-1200 Cpu 1211c Firmware<4.4
Siemens Simatic S7-1200 Cpu 1211c
Siemens Simatic S7-1200 Cpu 1212c Firmware<4.4
Siemens Simatic S7-1200 Cpu 1212c
Siemens Simatic S7-1200 Cpu 1214c Firmware<4.4
Siemens Simatic S7-1200 Cpu 1214c
Siemens Simatic S7-1200 Cpu 1215c Firmware<4.4
Siemens Simatic S7-1200 Cpu 1215c
Siemens Simatic S7-1200 Cpu 1217c Firmware<4.4
Siemens Simatic S7-1200 Cpu 1217c
Siemens Simatic S7-1500 Cpu 1518 Firmware<2.8.1
Siemens Simatic S7-1500 Cpu 1518
Siemens Simatic S7-1500 Cpu 1511c Firmware<2.8.1
Siemens Simatic S7-1500 Cpu 1511c
Siemens Simatic S7-1500 Cpu 1512c Firmware<2.8.1
Siemens Simatic S7-1500 Cpu 1512c
Siemens SIMATIC S7-1500 Software Controller<20.8
Siemens Simatic S7 Plcsim Advanced<3.0

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