CVE-2025-30175: siemens simatic_pcs_neo Out-of-bounds Write

Vulnerability summary

CVE-2025-30175 is a high (CVSS 8.7) Out-of-bounds Write vulnerability in siemens simatic_pcs_neo. 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 write buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to cause a denial of service condition.

• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.