QuantConnect Lean up to 2.4.0.1 Json.NET library deserialization

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in QuantConnect Lean up to 2.4.0.1. Affected by this vulnerability is an unknown functionality of the component Json.NET library. The manipulation results in deserialization. This vulnerability was named CVE-2020-20136. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in QuantConnect Lean up to 2.4.0.1. Affected is an unknown functionality of the component Json.NET library. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 12/15/2020. The advisory is shared for download at github.com. This vulnerability is traded as CVE-2020-20136. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.6

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
12/15/2020 +124 days 🔍
12/15/2020 +0 days 🔍
12/17/2020 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2020-20136 (🔍)
GCVE (CVE): GCVE-0-2020-20136
GCVE (VulDB): GCVE-100-166188

Entryinfo

Created: 12/15/2020 06:59
Updated: 12/17/2020 10:36
Changes: 12/15/2020 06:59 (36), 12/17/2020 10:32 (2), 12/17/2020 10:36 (18)
Complete: 🔍
Cache ID: 216::103

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