Description
A vulnerability has been identified in SIRIUS 3RK3 Modular Safety System (MSS) (All versions), SIRIUS Safety Relays 3SK2 (All versions). Affected devices only provide weak password obfuscation. An attacker with network access could retrieve and de-obfuscate the safety password used for protection against inadvertent operating errors.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIRIUS 3RK3 Modular Safety System (MSS) | — | — |
| Siemens | SIRIUS Safety Relays 3SK2 | — | — |
Advisories 3
- NCSC-2025-0160 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · May 14, 2025
- ICSA-25-135-13 Siemens SIRIUS CISA ICS & IT advisories · May 13, 2025
- SSA-222768 SSA-222768: Multiple Vulnerabilities in SIRIUS 3SK2 Safety Relays and 3RK3 Modular Safety Systems Siemens ProductCERT · May 13, 2025