In short
- CVE-2020-20136 is a CRITICAL (CVSS 9.8) vulnerability affecting QuantConnect.Common, lean (quantconnect).
- Chance of exploitation in the next 30 days (EPSS): 1.5%, higher than 75.0% of all vulnerabilities.
- No patched version is listed yet: follow the vendor's advisory in References.
| Package | Affected versions | Patched versions |
|---|
| QuantConnect.Common NuGet | ≥ 2.3.0.0, ≤ 2.4.0.1
| No fix yet |
| lean | ≥ 2.3.0.0, ≤ 2.4.0.1
| No fix yet |
Description
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. One may avoid this issue by only running Lean in an environment where data provided is trusted.
NVD description
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.
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