CVE-2025-30174: siemens simatic pcs neo v4.1 Out-of-bounds Read

Vulnerability summary

CVE-2025-30174 is a high (CVSS 8.7) Out-of-bounds Read vulnerability in siemens simatic pcs neo v4.1. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities.

Timeline

1. 13-05-2025
   PublishedVulnerability first disclosed.
2. 08-07-2025
   Last modifiedVulnerability information updated.

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.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.