CVE-2023-48431: Siemens Sinec Ins

High severity, CVSS 8.6. EPSS: 0.6% chance of exploitation in the next 30 days.

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 2). Affected software does not correctly validate the response received by an UMC server. An attacker can use this to crash the affected software by providing and configuring a malicious UMC server or by manipulating the traffic from a legitimate UMC server (i.e. leveraging CVE-2023-48427).

Affected products

• Siemens Sinec Ins: before 1.0 (fixed in 1.0); version 1.0 only

Published 2023-12-12. Last modified 2026-06-17.