Vulnerability · Published Dec 14, 2020 · Assigned by mitre
CVE-2020-20136
Critical 9.8
In plain English
A critical-severity security flaw in the quantconnect.common package (NuGet). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)1.5%top 25.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| NuGet | quantconnect.common | no fix listed | GHSA-ww7r-278h-48mh |
Affected products (as reported)
References
- https://github.com/QuantConnect/Lean/issues/3537 x_refsource_MISC