Description
A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V4.0), SINEMA Remote Connect (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (All versions), User Management Component (UMC) (All versions < V2.15.1.1). Affected products contain a out of bound write buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC PCS neo V4.1 | — | — |
| Siemens | SIMATIC PCS neo V5.0 | — | — |
| Siemens | SINEC NMS | < V4.0 | V4.0 |
| Siemens | SINEMA Remote Connect | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V17 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V18 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V19 | — | — |
| Siemens | Totally Integrated Automation Portal (TIA Portal) V20 | — | — |
| Siemens | User Management Component (UMC) | < V2.15.1.1 | V2.15.1.1 |
Advisories 3
- ICSA-25-135-09 Siemens User Management Component (UMC) CISA ICS & IT advisories · Oct 14, 2025
- SSA-614723 SSA-614723: Denial of Service Vulnerabilities in User Management Component (UMC) Siemens ProductCERT · Oct 14, 2025
- NCSC-2025-0160 Kwetsbaarheden verholpen in Siemens producten NCSC-NL (Netherlands) · May 14, 2025