CVE-2020-9547

CRITICAL EXPLOITED NUCLEI

jackson-databind 2.0.0-2.7.9.7 - Deserialization of Untrusted Data via com.ibatis.sqlmap Gadget

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2020-9547 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including fairyming. A Nuclei detection template is also available.

AI-analyzed exploit summary This repository contains a functional PoC for CVE-2020-9547, a deserialization vulnerability in FasterXML/jackson-databind. The exploit leverages LDAP-based remote code execution by manipulating JSON input with malicious class references.

Description

FasterXML jackson-databind 2.x before 2.9.10.4 mishandles the interaction between serialization gadgets and typing, related to com.ibatis.sqlmap.engine.transaction.jta.JtaTransactionConfig (aka ibatis-sqlmap).

Exploits (1)

nomisec WORKING POC 23 stars
by fairyming · poc
https://github.com/fairyming/CVE-2020-9547

This repository contains a functional PoC for CVE-2020-9547, a deserialization vulnerability in FasterXML/jackson-databind. The exploit leverages LDAP-based remote code execution by manipulating JSON input with malicious class references.

Classification
Working Poc 95%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: FasterXML/jackson-databind (versions affected by CVE-2020-9547)
No auth needed
Prerequisites: LDAP server hosting malicious payload · Target application using vulnerable jackson-databind version
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

FasterXML jackson-databind - Deserialization Remote Code Execution
CRITICALVERIFIEDby pranjalnegi

References (23)

Core 23
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/03/msg00008.html
Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujul2020.html
Patch, Third Party Advisory x_refsource_misc
https://github.com/FasterXML/jackson-databind/issues/2634
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2020.html
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200904-0006/
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpujan2021.html
Patch, Third Party Advisory x_refsource_misc
https://www.oracle.com/security-alerts/cpuoct2021.html

Scores

CVSS v3 9.8
EPSS 0.3826
EPSS Percentile 97.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2025-06-23
CWE
CWE-502
Status published
Products (29)
com.fasterxml.jackson.core/jackson-databind 2.9.0 - 2.9.10.4Maven
debian/debian_linux 8.0
fasterxml/jackson-databind 2.0.0 - 2.7.9.7
netapp/active_iq_unified_manager 7.3 (2 CPE variants)
netapp/active_iq_unified_manager 9.5
oracle/autovue_for_agile_product_lifecycle_management 21.0.2
oracle/banking_platform 2.4.0 - 2.9.0
oracle/communications_contacts_server 8.0.0.4.0
oracle/communications_evolved_communications_application_server 7.1
oracle/communications_instant_messaging_server 10.0.1.4.0
... and 19 more
Published Mar 02, 2020
Tracked Since Feb 18, 2026