Stack-based buffer overflow in PLC Editor - CVE-2021-42705
Published: November 16, 2021
Vulnerability identifier: #VU58193
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/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-2021-42705
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: WECON Technology Co., Ltd.
Affected software:
PLC Editor
PLC Editor
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 while processing project files. 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.
How to mitigate CVE-2021-42705
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.