CVE-2018-13814

Severity: high (CVSS 8.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-12-13 · updated 2026-06-17
Weakness: CWE-113

Description

A vulnerability has been identified in SIMATIC HMI Comfort Panels 4" - 22" (All versions < V14), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (All versions < V14), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V14), SIMATIC WinCC Runtime Advanced (All versions < V14), SIMATIC WinCC Runtime Professional (All versions < V14), SIMATIC WinCC (TIA Portal) (All versions < V14), SIMATIC HMI Classic Devices (TP/MP/OP/MP Mobile Panel) (All versions). The integrated web server (port 80/tcp and port 443/tcp) of the affected devices could allow an attacker to inject HTTP headers. An attacker must trick a valid user who is authenticated to the device into clicking on a malicious link to exploit the vulnerability. At the time of advisory publication no public exploitation of this security vulnerability was known.

Affected products

Siemens Simatic Hmi Comfort Outdoor Panels Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Comfort Panels Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Ktp Mobile Panels Ktp400F Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Ktp Mobile Panels Ktp700 Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Ktp Mobile Panels Ktp700F Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Ktp Mobile Panels Ktp900 Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Ktp Mobile Panels Ktp900F Firmware: before 14.0 — fixed in 14.0
Siemens Simatic Hmi Mp Firmware: all versions
Siemens Simatic Hmi Op Firmware: all versions
Siemens Simatic Hmi Tp Firmware: all versions
Siemens Simatic Wincc (Tia Portal): before 14.0 — fixed in 14.0
Siemens Simatic Wincc Runtime: before 14.0 — fixed in 14.0

How to fix

Upgrade to a fixed version: Siemens Simatic Hmi Comfort Outdoor Panels Firmware 14.0; Siemens Simatic Hmi Comfort Panels Firmware 14.0; Siemens Simatic Hmi Ktp Mobile Panels Ktp400F Firmware 14.0; Siemens Simatic Hmi Ktp Mobile Panels Ktp700 Firmware 14.0; Siemens Simatic Hmi Ktp Mobile Panels Ktp700F Firmware 14.0; Siemens Simatic Hmi Ktp Mobile Panels Ktp900 Firmware 14.0; Siemens Simatic Hmi Ktp Mobile Panels Ktp900F Firmware 14.0; Siemens Simatic Wincc (Tia Portal) 14.0; Siemens Simatic Wincc Runtime 14.0. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2018-13814 or the next vulnerability affects your stack