Type Confusion in WebAccess HMI Designer - CVE-2020-16229
Published: August 7, 2020 / Updated: August 11, 2020
Vulnerability identifier: #VU34106
CSH Severity: High
CVSS v4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-16229
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
WebAccess HMI Designer
WebAccess HMI Designer
Detailed vulnerability description
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.
How to mitigate CVE-2020-16229
Install updates from vendor's website.