PT-2021-9018 · Siemens · Simatic Hmi Comfort Panels+1

Published 2021-05-12 · Updated 2021-06-02 · CVE-2019-19276

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) versions prior to V16 Update 4 SIMATIC HMI KTP Mobile Panels versions prior to V16 Update 4

Description A vulnerability has been identified that can cause the SNMP service of affected devices to crash when specially crafted packets are sent to port 161/udp. This requires a manual restart of the device to resume operation of the service.

Recommendations For SIMATIC HMI Comfort Panels 1st Generation (incl. SIPLUS variants) versions prior to V16 Update 4, update to V16 Update 4 or later. For SIMATIC HMI KTP Mobile Panels versions prior to V16 Update 4, update to V16 Update 4 or later. As a temporary workaround, consider restricting access to port 161/udp to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2019-19276

Affected Products

Simatic Hmi Comfort Panels

Simatic Hmi Ktp Mobile Panels

References · 3

• https://cert-portal.siemens.com/productcert/pdf/ssa-594364.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19276 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19276 · Vendor Advisory