CVE-2019-14540

CRITICAL

FasterXML jackson-databind <2.9.10 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 3 public exploits for CVE-2019-14540. PoCs published by LeadroyaL, dawetmaster, andikahilmy.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2019-14540, leveraging JNDI injection via LDAP to achieve remote code execution. The exploit uses Jackson and Fastjson deserialization to trigger the vulnerability, executing arbitrary commands (e.g., launching a calculator) on the target system.

Description

A Polymorphic Typing issue was discovered in FasterXML jackson-databind before 2.9.10. It is related to com.zaxxer.hikari.HikariConfig.

Exploits (3)

nomisec WORKING POC 21 stars
by LeadroyaL · poc
https://github.com/LeadroyaL/cve-2019-14540-exploit

This repository contains a functional exploit for CVE-2019-14540, leveraging JNDI injection via LDAP to achieve remote code execution. The exploit uses Jackson and Fastjson deserialization to trigger the vulnerability, executing arbitrary commands (e.g., launching a calculator) on the target system.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Applications using Jackson or Fastjson with vulnerable JNDI LDAP configurations
No auth needed
Prerequisites: Java environment with JDK < 8u191 · Access to a vulnerable application using Jackson or Fastjson · LDAP server (e.g., marshalsec) to host malicious payload
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec WORKING POC
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2019-14540-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that can be used to demonstrate CVE-2019-14540, a deserialization vulnerability. The code includes the full Jackson Databind project with the vulnerable components, allowing for exploitation testing.

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-2019-14540-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that demonstrates CVE-2019-14540, 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 · Vulnerable Jackson Databind version
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (35)

Core 35
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/10/msg00001.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4542
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Oct/6
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3200
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0164
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0159
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0160
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0161
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2020:0445
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuapr2020.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2020.html
Patch, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2449
Patch, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2410
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191004-0002/
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2020.html

Scores

CVSS v3 9.8
EPSS 0.0629
EPSS Percentile 91.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (45)
com.fasterxml.jackson.core/jackson-databind 2.9.0 - 2.9.10Maven
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
fasterxml/jackson-databind 2.0.0 - 2.6.7.3
fedoraproject/fedora 30
fedoraproject/fedora 31
netapp/oncommand_api_services
netapp/oncommand_workflow_automation
netapp/steelstore_cloud_integrated_storage
... and 35 more
Published Sep 15, 2019
Tracked Since Feb 18, 2026