Buffer overflow in WebAccess HMI Designer - CVE-2021-33004

 

Buffer overflow in WebAccess HMI Designer - CVE-2021-33004

Published: June 23, 2021


Vulnerability identifier: #VU54323
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-2021-33004
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
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 boundary error. A remote attacker can use a specially crafted file, trigger memory corruption 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-2021-33004

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources