CVE-2020-9547: jackson-databind mishandles the interaction between serialization gadgets and typing

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 18.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-03-02 · updated 2026-10-07
Weakness: CWE-502

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).

Affected products

Debian Linux: 8.0
FasterXML jackson-databind: from 2.0.0 before 2.7.9.7; from 2.8.0 before 2.8.11.6; from 2.9.0 before 2.9.10.4 — fixed in 2.7.9.7, 2.8.11.6, 2.9.10.4
Active IQ Unified Manager for VMware vSphere, Linux, and Microsoft Windows: from 7.3; from 9.5
Oracle Autovue For Agile Product Lifecycle Management: 21.0.2
Oracle Banking Platform: from 2.4.0 through 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
Oracle Communications Network Charging And Control: from 12.0.0 through 12.0.3; 6.0.1
Oracle Corporation Enterprise Manager Base Platform: 13.3.0.0, 13.4.0.0
Oracle Global Lifecycle Management Opatch: before 12.2.0.1.20 — fixed in 12.2.0.1.20
Oracle Corporation JD Edwards EnterpriseOne Orchestrator: before 9.2.4.2 — fixed in 9.2.4.2
Oracle Corporation JD Edwards EnterpriseOne Tools: before 9.2.4.2 — fixed in 9.2.4.2
Oracle Corporation Primavera Unifier: from 17.7 through 17.12; 16.1, 16.2, 18.8, 19.12
Oracle Corporation Retail Xstore Point of Service: 15.0, 16.0, 17.0, 18.0, 19.0
Oracle WebLogic Server: 12.2.1.3.0, 12.2.1.4.0
Maven Com.Fasterxml.Jackson.Core:Jackson-Databind: from 2.9.0 before 2.9.10.4; from 2.8.0 before 2.8.11.6; from 2.0.0 before 2.7.9.7; 2.9.0, 2.9.0.pr1, 2.9.0.pr2, 2.9.0.pr3, 2.9.0.pr4, 2.9.1 (+117) — fixed in 2.9.10.4, 2.8.11.6, 2.7.9.7

How to fix

Upgrade to a fixed version: FasterXML jackson-databind 2.7.9.7, 2.8.11.6, 2.9.10.4; Oracle Global Lifecycle Management Opatch 12.2.0.1.20; Oracle Corporation JD Edwards EnterpriseOne Orchestrator 9.2.4.2; Oracle Corporation JD Edwards EnterpriseOne Tools 9.2.4.2; Maven Com.Fasterxml.Jackson.Core:Jackson-Databind 2.9.10.4, 2.8.11.6, 2.7.9.7. Check the vendor advisory for mitigations.

References

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