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Fencer Vulns
medium 5.3

CVE-2019-19276 json

A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl.

published 2021-05-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8900

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

A vulnerability has been identified in SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 4). Specially crafted packets sent to port 161/udp can cause the SNMP service of affected devices to crash. A manual restart of the device is required to resume operation of the service.

Patch / fix

Vendor advisories

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

cisa ICSA-21-131-06 updated cvss 5.3

Siemens SNMP Implementation of WinCC Runtime

  • Siemens SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) <V16_Update_4 Siemens SIMATIC HMI KTP Mobile Panels <V16_Update_4
    affected: fixed in V16, mitigation support.industry.siemens.com

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

Exploit prediction

1.02% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

  • Siemens SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants)
  • Siemens SIMATIC HMI KTP Mobile Panels

Classification

Weakness

References

Sources

Fencer Vulns 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.