CVE-2019-13921: Siemens SIMATIC Winac Rtx (f) 2010

High severity, CVSS 7.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC WinAC RTX (F) 2010 (All versions < SP3 Update 1). Affected versions of the software contain a vulnerability that could allow an unauthenticated attacker to trigger a denial-of-service condition. The vulnerability can be triggered if a large HTTP request is sent to the executing service. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no system privileges and no user interaction. An attacker could use the vulnerability to compromise availability of the service provided by the software.

Affected products

• Siemens SIMATIC Winac Rtx (f) 2010: any version; affected versions not specified; version sp1 only; version sp2 only

Published 2019-10-10. Last modified 2026-06-17.