Description
A vulnerability has been identified in SIMATIC WinCC OA V3.15 (All versions < V3.15 P038), SIMATIC WinCC OA V3.16 (All versions < V3.16 P035), SIMATIC WinCC OA V3.17 (All versions < V3.17 P024), SIMATIC WinCC OA V3.18 (All versions < V3.18 P014). The affected component allows to inject custom arguments to the Ultralight Client backend application under certain circumstances.
This could allow an authenticated remote attacker to inject arbitrary parameters when starting the client via the web interface (e.g., open attacker chosen panels with the attacker's credentials or start a Ctrl script).
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC WinCC OA V3.15 | All versions < V3.15 P038 | — |
| Siemens | SIMATIC WinCC OA V3.16 | All versions < V3.16 P035 | — |
| Siemens | SIMATIC WinCC OA V3.17 | All versions < V3.17 P024 | — |
| Siemens | SIMATIC WinCC OA V3.18 | All versions < V3.18 P014 | — |
Advisories 3
- ICSA-22-349-06 Siemens SIMATIC WinCC OA Ultralight Client CISA ICS & IT advisories · Jan 10, 2023
- SSA-547714 SSA-547714: Argument Injection Vulnerability in SIMATIC WinCC OA Ultralight Client Siemens ProductCERT · Jan 10, 2023
- WID-SEC-2022-2295 Siemens SIMATIC WinCC: Schwachstelle ermöglicht Codeausführung BSI CERT-Bund (WID) · Dec 12, 2022