CVE-2018-13813

mediumpriority · track · 33EPSS 0.017 · 77 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.68% (77th) EPSS
CVSS 5.8 · medium
Is it mine?
33 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cisa_csaf_ot

EPSS · scored 2026-10-24

A vulnerability has been identified in SIMATIC HMI Comfort Panels 4" - 22" (All versions < V15 Update 4), SIMATIC HMI Comfort Outdoor Panels 7" & 15" (All versions < V15 Update 4), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15 Update 4), SIMATIC WinCC Runtime Advanced (All versions < V15 Update 4), SIMATIC WinCC Runtime Professional (All versions < V15 Update 4), SIMATIC WinCC (TIA Portal) (All versions < V15 Update 4), SIMATIC HMI Classic Devices (TP/MP/OP/MP Mobile Panel) (All versions). The webserver of affected HMI devices may allow URL redirections to untrusted websites. 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.

01

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 KTP400Fcisa_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 KTP400Fcisa_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.

02

cvss

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

8.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.8–8.1

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9
v3.08.1highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 5.2
v3.07.4highCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:P/RL:O/RC:Csecondary · CISA US
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USprimaryCWE-601US
04

affected products (33)

Products and version ranges known to be affected.

showing 20 of 33
05

advisories (1)

Vendor and ecosystem advisories describing this.

  • ICSA-18-317-08Siemens SIMATIC Panels2018-11-13icsa · 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.

06

also known as (3)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otNVDCVE.orgMITRE
published 2018-12-13modified 2026-06-17
09

references (8)

External citations — patches, advisories, analysis.

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