Description
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.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://cert-portal.siemens.com/productcert/pdf/ssa-594364.pdf
Scores
CVSS v3
5.3
EPSS
0.0019
EPSS Percentile
41.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-787
Status
published
Products (2)
siemens/simatic_hmi_comfort_panels_firmware
16 (3 CPE variants)
siemens/simatic_hmi_ktp_mobile_panels_firmware
16 (3 CPE variants)
Published
May 12, 2021
Tracked Since
Feb 18, 2026