CVE-2025-30176

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.

Category

8.7
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
EPSS 0.07%
Affected: Siemens SIMATIC PCS neo V4.1
Affected: Siemens SIMATIC PCS neo V5.0
Affected: Siemens SINEC NMS
Affected: Siemens SINEMA Remote Connect
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V17
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V18
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V19
Affected: Siemens Totally Integrated Automation Portal (TIA Portal) V20
Affected: Siemens User Management Component (UMC)
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-30176?
CVE-2025-30176 has been scored as a high severity vulnerability.
How to fix CVE-2025-30176?
To fix CVE-2025-30176, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-30176 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-30176 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-30176?
CVE-2025-30176 affects Siemens SIMATIC PCS neo V4.1, Siemens SIMATIC PCS neo V5.0, Siemens SINEC NMS, 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).
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