CVE-2018-13814

mediumpriority · track · 36EPSS 0.017 · 77 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.68% (77th) EPSS

CVSS 6.8 · medium

Is it mine?

33 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · cisa_csaf_ot

EPSS · scored 2026-10-26

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedSIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15 Update 4 or newer, and then update panel to V15 Update 4 or newer. https://support.industry.siemens.com/cs/ww/en/view/109755826
FixedSIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15 Update 4 or newer, and then update panel to V15 Update 4 or newer. https://support.industry.siemens.com/cs/ww/en/view/109755826
FixedSIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Update SIMATIC WinCC (TIA Portal) to V15 Update 4 or newer, and then update panel to V15 Update 4 or newer. https://support.industry.siemens.com/cs/ww/en/view/109755826
FixedSIMATIC WinCC (TIA Portal)cisa_csaf_ot
Update to V15 Update 4 or newer https://support.industry.siemens.com/cs/ww/en/view/109755826
FixedSIMATIC WinCC Runtime Advancedcisa_csaf_ot
Update to V15 Update 4 or newer https://support.industry.siemens.com/cs/ww/en/view/109755826
FixedSIMATIC WinCC Runtime Professionalcisa_csaf_ot
Update to V15 Update 4 or newer https://support.industry.siemens.com/cs/ww/en/view/109755826
MitigationSIMATIC HMI Classic Devices - TP/MP/OP/MP Mobile Panel (incl. SIPLUS variants)cisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants)cisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants)cisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900Fcisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC WinCC (TIA Portal)cisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC WinCC Runtime Advancedcisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.
MitigationSIMATIC WinCC Runtime Professionalcisa_csaf_ot
Deactivate the web server if not required. The web server is disabled by default.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–8.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 6.4

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v3.08.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:Csecondary · CISA US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimaryCWE-113USCWE-113US

affected products (33)

Products and version ranges known to be affected.

showing 20 of 33

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-18-317-03Siemens SIMATIC Panels and SIMATIC WinCC (TIA Portal)2018-11-13icsa · cisa_csaf_otUS
As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot NVD CVE.org MITRE

published 2018-12-13modified 2026-06-17

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references (7)

External citations — patches, advisories, analysis.

scry

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