Vulnerabilities > CVE-2021-34585 - Unchecked Return Value vulnerability in Codesys
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
PARTIAL Summary
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests can trigger a parser error. Since the parser result is not checked under all conditions, a pointer dereference with an invalid address can occur. This leads to a denial of service situation.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |