CVE-2020-20136

Public Exploit

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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.33%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/QuantConnect/Lean/issues/3537 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-20136?
CVE-2020-20136 has been scored as a critical severity vulnerability.
How to fix CVE-2020-20136?
To fix CVE-2020-20136, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-20136 being actively exploited in the wild?
It is possible that CVE-2020-20136 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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