Out-of-bounds write in WebAccess HMI Designer - CVE-2020-16213
Published: August 7, 2020 / Updated: August 11, 2020
Vulnerability identifier: #VU34105
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-2020-16213
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing PM3 files. A remote attacker can create a specially crafted project file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.
Affected software
WebAccess HMI Designer
How to mitigate CVE-2020-16213
Install updates from vendor's website.
WebAccess HMI Designer - update to 2.1.9.81