CVE-2020-20136
CRITICAL 9.8EPSS 1.5%
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.
- CVSS v3.1 NVD
- 9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P - EPSS
- 1.54% chance of exploitation in the next 30 days, 74th percentile
- Published
- 2020-12-14
- Updated
- 2024-08-04
Proof-of-concept exploits (1)
- QuantConnect/Lean/issues/353721959★ · 2026-10-09