Stack-based buffer overflow in WebAccess HMI Designer - CVE-2020-16215

 

Stack-based buffer overflow in WebAccess HMI Designer - CVE-2020-16215

Published: August 7, 2020 / Updated: August 11, 2020


Vulnerability identifier: #VU34107
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-16215
CWE-ID: CWE-121
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 boundary error when processing specially crafted project files in BwPFile.exe. A remote unauthenticated attacker can trigger stack-based buffer overflow 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-2020-16215

Install updates from vendor's website.

WebAccess HMI Designer - update to 2.1.9.81

External References

Related Security Bulletins