quantconnect/lean · Security

QuantConnect Lean vulnerable to insecure deserialization

GHSA ID
GHSA-ww7r-278h-48mh
CVE ID
CVE-2020-20136
Severity
critical
Published
Updated
CVSS
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3
9.8 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

CWEs

References