Vulnerabilities > CVE-2021-21865 - Deserialization of Untrusted Data vulnerability in Codesys Development System 3.5.16.0/3.5.17.0
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A unsafe deserialization vulnerability exists in the PackageManagement.plugin ExtensionMethods.Clone() functionality of CODESYS GmbH CODESYS Development System 3.5.16. A specially crafted file can lead to arbitrary command execution. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerable Configurations
Part | Description | Count |
---|---|---|
Application | 2 |
Common Weakness Enumeration (CWE)
References
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=
- https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=16805&token=ee583c498941d9fda86490bca98ff21928eec08a&download=
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1301