Vulnerabilities > CVE-2020-20136 - Deserialization of Untrusted Data vulnerability in Quantconnect Lean 2.3.0.0/2.4.0.1
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
QuantConnect Lean versions from 2.3.0.0 to 2.4.0.1 are affected by an insecure deserialization vulnerability due to insecure configuration of TypeNameHandling property in Json.NET library.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 2 |