A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V

Summary

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.

Timeline

1. May 13, 2025, 9:38 AM UTCCVE published
2. May 13, 2025, 3:26 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Jul 8, 2025, 10:34 AM UTCRecord last updated

Affected versions

• Siemens SIMATIC PCS neo V4.1

  All versions

• Siemens SIMATIC PCS neo V5.0

  All versions

• Siemens SINEC NMS

  fixed in V4.0

• Siemens SINEMA Remote Connect

  All versions

• Siemens Totally Integrated Automation Portal (TIA Portal) V17

  All versions

• Siemens Totally Integrated Automation Portal (TIA Portal) V18

  All versions

• Siemens Totally Integrated Automation Portal (TIA Portal) V19

  All versions

• Siemens Totally Integrated Automation Portal (TIA Portal) V20

  All versions

• Siemens User Management Component (UMC)

  fixed in V2.15.1.1

References 1