CVE-2020-28397
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl.
Impact
A vulnerability has been identified in SIMATIC Drive Controller family (All versions < V2.9.2), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions < V21.9), SIMATIC S7 PLCSIM Advanced (All versions > V2 < V4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (Version V4.4), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions > V2.5 < V2.9.2), SIMATIC S7-1500 Software Controller (All versions > V2.5 < V21.9), TIM 1531 IRC (incl. SIPLUS NET variants) (Version V2.1). Due to an incorrect authorization check in the affected component, an attacker could extract information about access protected PLC program variables over port 102/tcp from an affected device when reading multiple attributes at once.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Cpu 1504d Tf Firmware | before 2.9.2 |
| Siemens | Cpu 1507d Tf Firmware | before 2.9.2 |
| Siemens | Cpu 1515sp Pc2 Tf Firmware | before 21.9 |
| Siemens | Simatic S7 Plcsim Advanced Firmware | from 2.0 before 4.0 |
| Siemens | Simatic S7-1500 Software Controller | from 2.5 before 21.9 |
| Siemens | Tim 1531 Irc Firmware | Version 2.1 |
| Siemens | Cpu 1211c Firmware | Version 4.4 |
| Siemens | Cpu 1212c Firmware | Version 4.4 |
| Siemens | Cpu 1212fc Firmware | Version 4.4 |
| Siemens | Cpu 1214fc Firmware | Version 4.4 |
| Siemens | Cpu 1214c Firmware | Version 4.4 |
| Siemens | Cpu 1215fc Firmware | Version 4.4 |