What’s Vulnerable › Vulnerabilities
CVE-2025-30176
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-05-13 · updated 2026-06-17
- Weakness: CWE-125
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 read buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.
Affected products
- Siemens SIMATIC PCS neo: 4.1, 5.0
- Siemens SINEC NMS: before 4.0 — fixed in 4.0
- Siemens SINEMA Remote Connect: all versions
- Siemens Totally Integrated Automation Portal: 17, 18, 19, 20
- Siemens User Management Component: before 2.15.1.1 — fixed in 2.15.1.1
How to fix
Upgrade to a fixed version: Siemens SINEC NMS 4.0; Siemens User Management Component 2.15.1.1. Check the vendor advisory for mitigations.
References
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