CVE-2019-6577: Siemens SIMATIC HMI Comfort Outdoor Panels Firmware

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

A vulnerability has been identified in SIMATIC HMI Comfort Panels 4" - 22" (All versions < V15.1 Update 1), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (All versions < V15.1 Update 1), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 und KTP900F (All versions < V15.1 Update 1), SIMATIC WinCC Runtime Advanced (All versions < V15.1 Update 1), SIMATIC WinCC Runtime Professional (All versions < V15.1 Update 1), SIMATIC WinCC (TIA Portal) (All versions < V15.1 Update 1), SIMATIC HMI Classic Devices (TP/MP/OP/MP Mobile Panel) (All versions). The integrated web server could allow Cross-Site Scripting (XSS) attacks if an attacker is able to modify particular parts of the device configuration via SNMP. The security vulnerability could be exploited by an attacker with network access to the affected system. Successful exploitation requires system privileges and user interaction. An attacker could use the vulnerability to compromise confidentiality and the integrity of the affected system. At the stage of publishing this security advisory no public exploitation is known.

Affected products

Siemens SIMATIC HMI Comfort Outdoor Panels Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Comfort Panels Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Ktp Mobile Panels KTP400F Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Ktp Mobile Panels KTP700 Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Ktp Mobile Panels KTP700F Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Ktp Mobile Panels KTP900 Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Ktp Mobile Panels KTP900F Firmware: before 15.1 (fixed in 15.1)
Siemens SIMATIC HMI Mp Firmware: any version
Siemens SIMATIC HMI Op Firmware: any version
Siemens SIMATIC HMI TP Firmware: any version
Siemens SIMATIC Wincc (tia Portal): before 15.1 (fixed in 15.1)
Siemens SIMATIC Wincc Runtime: before 15.1 (fixed in 15.1)

Published 2019-05-14. Last modified 2026-06-17.