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Fencer Intel
high 8.1

CVE-2018-13813 json

A vulnerability has been identified in SIMATIC HMI Comfort Panels 4" - 22" (All versions < V15 Update 4), SIMATIC HMI Comfort Outdoor Panel…

published 7y ago modified 4mo ago also EUVD-2018-5749

cvss
8.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-317-08 updated cvss 6.5

Siemens SIMATIC Panels

  • Siemens SIMATIC HMI Classic Devices - TP/MP/OP/MP Mobile Panel (incl. SIPLUS variants)
    affected: mitigation
  • Siemens SIMATIC HMI Comfort Outdoor Panels 7" & 15" (incl. SIPLUS variants) <V15_Update_4 Siemens SIMATIC HMI Comfort Panels 4" - 22" (incl. SIPLUS variants) <V15_Update_4 Siemens SIMATIC HMI KTP Mobile Panels KTP400F KTP700 Siemens SIMATIC WinCC (TIA Portal) <V15_Update_4 Siemens SIMATIC WinCC Runtime Advanced <V15_Update_4 Siemens SIMATIC WinCC Runtime Professional <V15_Update_4
    affected: fixed in V15, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.1 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

  • Siemens AG SIMATIC HMI Comfort Panels 4" - 22", SIMATIC HMI Comfort Outdoor Panels 7" & 15", SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 und KTP900F, SIMATIC WinCC Runtime Advanced, SIMATIC WinCC Runtime Professional, SIMATIC WinCC (TIA Portal), SIMATIC HMI Classic Devices (TP/MP/OP/MP Mobile Panel)

Classification

Weakness
  • CWE-601 URL Redirection to Untrusted Site

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.