Out-of-bounds write in Siemens products - CVE-2025-30175
Published: May 19, 2025
Vulnerability identifier: #VU109418
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-30175
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the integrated UMC component. A remote attacker can trigger an out-of-bounds write and perform a denial of service (DoS) attack.
Affected software
SIMATIC PCS neo
Totally Integrated Automation Portal (TIA Portal)
User Management Component (UMC)
SINEC NMS
SINEMA Remote Connect
Totally Integrated Automation Portal (TIA Portal)
User Management Component (UMC)
SINEC NMS
SINEMA Remote Connect
How to mitigate CVE-2025-30175
Install updates from vendor's website.
Totally Integrated Automation Portal (TIA Portal) - update to 2.15.1.1
SINEC NMS - update to 2.15.1.1
SINEMA Remote Connect - update to 2.15.1.1
User Management Component (UMC) - update to 2.15.1.1
SINEC NMS - update to 2.15.1.1
SINEMA Remote Connect - update to 2.15.1.1
User Management Component (UMC) - update to 2.15.1.1