Description
A vulnerability has been identified in SIMATIC S7-200 SMART CPU CR40 (6ES7288-1CR40-0AA0) (All versions), SIMATIC S7-200 SMART CPU CR60 (6ES7288-1CR60-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR20 (6ES7288-1SR20-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR20 (6ES7288-1SR20-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR30 (6ES7288-1SR30-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR30 (6ES7288-1SR30-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR40 (6ES7288-1SR40-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR40 (6ES7288-1SR40-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR60 (6ES7288-1SR60-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR60 (6ES7288-1SR60-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST20 (6ES7288-1ST20-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST20 (6ES7288-1ST20-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST30 (6ES7288-1ST30-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST30 (6ES7288-1ST30-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST40 (6ES7288-1ST40-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST40 (6ES7288-1ST40-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST60 (6ES7288-1ST60-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST60 (6ES7288-1ST60-0AA1) (All versions). Affected devices are using a predictable IP ID sequence number. This leaves the system susceptible to a family of attacks which rely on the use of predictable IP ID sequence numbers as their base method of attack and eventually could allow an attacker to create a denial of service condition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC S7-200 SMART CPU CR40 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU CR60 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU SR20 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU SR30 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU SR40 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU SR60 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU ST20 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU ST30 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU ST40 | — | — |
| Siemens | SIMATIC S7-200 SMART CPU ST60 | — | — |
Advisories 4
- NCSC-2024-0246 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · Jun 11, 2024
- ICSA-24-165-02 Siemens SIMATIC S7-200 SMART Devices CISA ICS & IT advisories · Jun 11, 2024
- SSA-481506 SSA-481506: Information Disclosure Vulnerability in SIMATIC S7-200 SMART Devices Siemens ProductCERT · Jun 11, 2024
- WID-SEC-2024-1334 Siemens SIMATIC S7: Schwachstelle ermöglicht Denial of Service und Offenlegung von Informationen BSI CERT-Bund (WID) · Jun 10, 2024