CVE-2020-36187

HIGH

jackson-databind 2.0.0-2.9.10.7 - Deserialization of Untrusted Data via SharedPoolDataSource

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2020-36187. PoCs published by dawetmaster, andikahilmy.

AI-analyzed exploit summary This repository contains a vulnerable version of Jackson Databind (2.9.0) that can be used to demonstrate CVE-2020-36187, a deserialization vulnerability. The included source code and build configuration allow for testing and exploitation of the flaw.

Description

FasterXML jackson-databind 2.x before 2.9.10.8 mishandles the interaction between serialization gadgets and typing, related to org.apache.tomcat.dbcp.dbcp.datasources.SharedPoolDataSource.

Exploits (2)

nomisec WORKING POC
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2020-36187-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that can be used to demonstrate CVE-2020-36187, a deserialization vulnerability. The included source code and build configuration allow for testing and exploitation of the flaw.

Classification
Working Poc 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Jackson Databind 2.9.0
No auth needed
Prerequisites: Java environment · Jackson Databind 2.9.0 dependency
devstral-2 · analyzed Mar 14, 2026 Full analysis →
nomisec WORKING POC
by andikahilmy · poc
https://github.com/andikahilmy/CVE-2020-36187-jackson-databind-vulnerable

This repository contains a functional exploit for CVE-2020-36187, a deserialization vulnerability in Jackson Databind. The provided code includes a vulnerable version of the library and scripts to demonstrate the exploit, likely leveraging unsafe deserialization to achieve remote code execution (RCE).

Classification
Working Poc 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: Jackson Databind (versions affected by CVE-2020-36187)
No auth needed
Prerequisites: Target application using vulnerable Jackson Databind version · Ability to send crafted JSON payloads to the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (10)

Core 10
Core References
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://cowtowncoder.medium.com/on-jackson-cves-dont-panic-here-is-what-you-need-to-know-54cd0d6e8062
Issue Tracking, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2997
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/04/msg00025.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuApr2021.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210205-0005/
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com//security-alerts/cpujul2021.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2021.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2022.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2022.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2022.html

Scores

CVSS v3 8.1
EPSS 0.0520
EPSS Percentile 91.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (50)
com.fasterxml.jackson.core/jackson-databind 2.0.0 - 2.9.10.8Maven
debian/debian_linux 9.0
fasterxml/jackson-databind 2.0.0 - 2.6.7.5
netapp/cloud_backup
netapp/service_level_manager
oracle/agile_plm 9.3.6
oracle/application_testing_suite 13.3.0.1
oracle/autovue_for_agile_product_lifecycle_management 21.0.2
oracle/banking_corporate_lending_process_management 14.2
oracle/banking_corporate_lending_process_management 14.3
... and 40 more
Published Jan 06, 2021
Tracked Since Feb 18, 2026