CVE-2018-12023

HIGH

FasterXML jackson-databind <2.7.9.4-2.8.11.2-2.9.6 - Code Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2018-12023. PoCs published by dawetmaster, andikahilmy.

AI-analyzed exploit summary This repository contains a vulnerable version of Jackson Databind (2.9.0) that demonstrates CVE-2018-12023, a deserialization vulnerability. The included source code and build configuration allow for testing and exploitation of the flaw.

Description

An issue was discovered in FasterXML jackson-databind prior to 2.7.9.4, 2.8.11.2, and 2.9.6. When Default Typing is enabled (either globally or for a specific property), the service has the Oracle JDBC jar in the classpath, and an attacker can provide an LDAP service to access, it is possible to make the service execute a malicious payload.

Exploits (2)

nomisec WORKING POC
by dawetmaster · poc
https://github.com/dawetmaster/CVE-2018-12023-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that demonstrates CVE-2018-12023, 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 Mar 14, 2026 Full analysis →
nomisec WORKING POC
by andikahilmy · poc
https://github.com/andikahilmy/CVE-2018-12023-jackson-databind-vulnerable

This repository contains a vulnerable version of Jackson Databind (2.9.0) that demonstrates CVE-2018-12023, 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
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (37)

Core 37
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0782
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:0877
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHBA-2019:0959
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1107
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1108
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1106
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1140
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4452
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/May/68
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1782
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1797
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1822
Third Party Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1823
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2804
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2858
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3002
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3140
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3149
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3892
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:4037
Third Party Advisory, VDB Entry x_refsource_misc
http://www.securityfocus.com/bid/105659
Patch, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2058
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20190530-0003/

Scores

CVSS v3 7.5
EPSS 0.0481
EPSS Percentile 89.8%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (12)
com.fasterxml.jackson.core/jackson-databind 2.7.0 - 2.7.9.4Maven
debian/debian_linux 9.0
fasterxml/jackson-databind 2.7.0 - 2.7.9.4
fedoraproject/fedora 29
oracle/jd_edwards_enterpriseone_tools 9.2
oracle/retail_merchandising_system 15.0
redhat/automation_manager 7.3.1
redhat/decision_manager 7.3.1
redhat/jboss_brms 6.4.10
redhat/jboss_enterprise_application_platform 7.2.0
... and 2 more
Published Mar 21, 2019
Tracked Since Feb 18, 2026