CVE-2021-27386

Summary:

A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels 7\” & 15\” (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced (All versions < V16 Update 4). SmartVNC has a heap allocation leak vulnerability in the device layout handler on client side, which could result in a Denial-of-Service condition.

Reference Links(if available):

https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf

CVSS Score (if available)

v2: / MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Links to Exploits(if available)