CVE-2021-27383 | Siemens SIMATIC HMI Comfort Outdoor Panels up to 16 Update 3 SmartVNC memory corruption (ssa-286838)
A vulnerability identified as critical has been detected in Siemens SIMATIC HMI Comfort Outdoor Panels, SIMATIC HMI Comfort Panels, SIMATIC HMI KTP Mobile Panels and SIMATIC Wincc Runtime Advanced up to 16 Update 3. This issue affects some unknown processing of the component SmartVNC. Performing a manipulation results in memory corruption.
This vulnerability is identified as CVE-2021-27383. The attack can only be performed from the local network. There is not any exploit available.
Applying a patch is the recommended action to fix this issue.