CVE-2021-30191

Name of the Vulnerable Software and Affected Versions CODESYS V2 Web-Server versions prior to 1.1.9.20

Description The issue is caused by a buffer copy without checking the size of the input, which can lead to a buffer overflow on the stack. This can allow a remote attacker to cause a denial of service.

Recommendations For CODESYS V2 Web-Server versions prior to 1.1.9.20, update to version 1.1.9.20 or later to resolve the issue. As a temporary workaround, consider restricting access to the web server to minimize the risk of exploitation.