Description
A vulnerability has been identified in COMOS V10.2 (All versions only if web components are used), COMOS V10.3 (All versions < V10.3.3.3 only if web components are used), COMOS V10.3 (All versions >= V10.3.3.3 only if web components are used), COMOS V10.4 (All versions < V10.4.1 only if web components are used). The COMOS Web component of COMOS unpacks specially crafted archive files to relative paths. This vulnerability could allow an attacker to store files in any folder accessible by the COMOS Web webservice.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | COMOS V10.2 | All versions only if web components are used | — |
| Siemens | COMOS V10.3 | All versions < V10.3.3.3 only if web components are used, All versions >= V10.3.3.3 only if web components are used | — |
| Siemens | COMOS V10.4 | All versions < V10.4.1 only if web components are used | — |
Advisories 2
- ICSA-22-013-05 Siemens COMOS Web (Update A) CISA ICS & IT advisories · May 6, 2025
- SSA-995338 SSA-995338: Multiple Vulnerabilities in COMOS Web Siemens ProductCERT · Apr 12, 2022