Description
A vulnerability has been identified in SIMATIC HMI Unified Comfort Panels (All versions <= V16). Affected devices insufficiently validate authentication attempts as the information given can be truncated to match only a set number of characters versus the whole provided string. This could allow a remote attacker to discover user passwords and obtain access to the Sm@rt Server via a brute-force attack.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC HMI Unified Comfort Panels | All versions <= V16 | — |
Advisories 2
- ICSA-20-252-06 Siemens SIMATIC HMI Products (Update A) CISA ICS & IT advisories · May 6, 2025
- SSA-542525 SSA-542525: Authentication Vulnerabilities in SIMATIC HMI Products Siemens ProductCERT · Jun 8, 2021