Type Confusion in WebAccess HMI Designer - CVE-2020-16229
Published: August 7, 2020 / Updated: August 11, 2020
Vulnerability identifier: #VU34106
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-16229
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error when processing PM3 files. A remote attacker can trick a victim to open a specially crafted project file, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
WebAccess HMI Designer
How to mitigate CVE-2020-16229
Install updates from vendor's website.
WebAccess HMI Designer - update to 2.1.9.81