CVE-2020-20136

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 54%
VendorProductVersion
quantconnectlean
2.3.0.0 ≤
𝑥
≤ 2.4.0.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/QuantConnect/Lean/issues/3537
https://github.com/QuantConnect/Lean/issues/3537