Deserialization of untrusted data in [UNKNOWN] wildfly
Priority LOW 37CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 13 fixed, 7 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-502.
Summary
A vulnerability was found in Wildfly in versions before 20.0.0.Final, where a remote deserialization attack is possible in the Enterprise Application Beans(EJB) due to lack of validation/filtering capabilities in wildfly.
Why it matters now
EPSS 0.02067 81st percentileScored 2026-11-08
Fix Partial wildfly ([UNKNOWN]): 20.0.0.Finalorg.wildfly:wildfly-parent (Maven): 20.0.0.FinalRed Hat: 17 advisoriesRed Hat: 13 fixed, 7 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| [UNKNOWN] | wildfly | before 20.0.0.Final | 20.0.0.Final | Patch available | CNA |
| — | org.wildfly:wildfly-parent (Maven) | before 20.0.0.Final | 20.0.0.Final | Patch available | GHSA-vrmw-2xhq-hrmp |
- wildfly Vendor[UNKNOWN] Affected before 20.0.0.Final Fixed in 20.0.0.Final Patch available CNA
- org.wildfly:wildfly-parent (Maven) Vendor— Affected before 20.0.0.Final Fixed in 20.0.0.Final Patch available GHSA-vrmw-2xhq-hrmp
Remediation
- Fix · CNA wildfly ([UNKNOWN]) Fixed in 20.0.0.Final
- Fix · GHSA-vrmw-2xhq-hrmp org.wildfly:wildfly-parent (Maven) Fixed in 20.0.0.Final Advisory →
Red Hat 17 advisories
- RHSA-2025:9582 Released 2025-06-25 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.1.11 on RHEL 7 security update
- Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Server eap7-glassfish-el-3.0.1-4.b08_redhat_00005.1.ep7.el7, eap7-glassfish-el-impl-3.0.1-4.b08_redhat_00005.1.ep7.el7, eap7-hibernate-5.1.17-3.Final_redhat_00004.1.ep7.el7 +22
- RHSA-2020:5568 Released 2020-12-16 · Red Hat rating ImportantRed Hat Fuse 7.8.0 release and security update
- Red Hat Fuse 7.8.0
- RHSA-2020:3642 Released 2020-09-07 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.9 security update
- Red Hat JBoss Enterprise Application Platform 7
Show 14 more Red Hat advisories
- RHSA-2020:3638 Released 2020-09-07 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.9 on RHEL 7 security update
- Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-dom4j-2.1.3-1.redhat_00001.1.el7eap, eap7-elytron-web-1.2.5-1.Final_redhat_00001.1.el7eap, eap7-glassfish-jsf-2.3.5-13.SP3_redhat_00011.1.el7eap +47
- RHSA-2020:3639 Released 2020-09-07 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.9 on RHEL 8 security update
- Red Hat JBoss EAP 7.2 for RHEL 8 eap7-dom4j-2.1.3-1.redhat_00001.1.el8eap, eap7-elytron-web-1.2.5-1.Final_redhat_00001.1.el8eap, eap7-glassfish-jsf-2.3.5-13.SP3_redhat_00011.1.el8eap +47
- RHSA-2020:3637 Released 2020-09-07 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2.9 on RHEL 6 security update
- Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-dom4j-2.1.3-1.redhat_00001.1.el6eap, eap7-elytron-web-1.2.5-1.Final_redhat_00001.1.el6eap, eap7-glassfish-jsf-2.3.5-13.SP3_redhat_00011.1.el6eap +47
- RHSA-2020:3539 Released 2020-09-02 · Red Hat rating ImportantRed Hat build of Thorntail 2.7.1 security and bug fix update
- Text-Only RHOAR
- RHSA-2020:3585 Released 2020-08-31 · Red Hat rating ImportantEAP Continuous Delivery Technical Preview Release 20 security update
- EAP-CD 20 Tech Preview
- RHSA-2020:3501 Released 2020-08-18 · Red Hat rating ImportantRed Hat Single Sign-On 7.4.2 security update
- Red Hat Single Sign-On 7.4.2
- RHSA-2020:3463 Released 2020-08-17 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.2 security update
- Red Hat JBoss EAP 7.3 for BaseOS-8 eap7-dom4j-2.1.3-1.redhat_00001.1.el8eap, eap7-elytron-web-1.6.2-1.Final_redhat_00001.1.el8eap, eap7-glassfish-jsf-2.3.9-11.SP11_redhat_00001.1.el8eap +47
- RHSA-2020:3462 Released 2020-08-17 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.2 security update
- Red Hat JBoss EAP 7.3 for RHEL 7 Server eap7-dom4j-2.1.3-1.redhat_00001.1.el7eap, eap7-elytron-web-1.6.2-1.Final_redhat_00001.1.el7eap, eap7-glassfish-jsf-2.3.9-11.SP11_redhat_00001.1.el7eap +47
- RHSA-2020:3461 Released 2020-08-17 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.2 security update
- Red Hat JBoss EAP 7.3 for RHEL 6 Server eap7-dom4j-2.1.3-1.redhat_00001.1.el6eap, eap7-elytron-web-1.6.2-1.Final_redhat_00001.1.el6eap, eap7-glassfish-jsf-2.3.9-11.SP11_redhat_00001.1.el6eap +47
- RHSA-2020:3464 Released 2020-08-17 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3.2 security update
- Red Hat JBoss Enterprise Application Platform 7
- RHSA-2020:3142 Released 2020-07-23 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2 security update
- Red Hat JBoss EAP 7.2 for RHEL 6 Server eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el6eap, eap7-wildfly-7.2.8-6.GA_redhat_00003.1.el6eap, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el6eap +7
- Red Hat JBoss EAP 7.2 for RHEL 7 Server eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el7eap, eap7-wildfly-7.2.8-6.GA_redhat_00003.1.el7eap, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el7eap +9
- Red Hat JBoss EAP 7.2 for RHEL 8 eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el8eap, eap7-wildfly-7.2.8-6.GA_redhat_00003.1.el8eap, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el8eap +7
- RHSA-2020:3141 Released 2020-07-23 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3 security update
- Red Hat JBoss EAP 7.3 for BaseOS-8 eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el8eap, eap7-wildfly-7.3.1-7.GA_redhat_00004.1.el8, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el8eap +7
- Red Hat JBoss EAP 7.3 for RHEL 6 Server eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el6eap, eap7-wildfly-7.3.1-7.GA_redhat_00004.1.el6eap, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el6eap +7
- Red Hat JBoss EAP 7.3 for RHEL 7 Server eap7-jboss-ejb-client-4.0.33-2.SP1_redhat_00001.1.el7eap, eap7-wildfly-7.3.1-7.GA_redhat_00004.1.el7eap, eap7-wildfly-http-client-1.0.21-1.Final_redhat_00001.1.el7eap +9
- RHSA-2020:3144 Released 2020-07-23 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.2 security update
- Red Hat JBoss EAP 7.2
- RHSA-2020:3143 Released 2020-07-23 · Red Hat rating ImportantRed Hat JBoss Enterprise Application Platform 7.3 security update
- Red Hat JBoss Enterprise Application Platform 7
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Data Virtualization 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Enterprise Application Platform 5 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Enterprise Application Platform 6 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss Fuse 6 | Affected | No fix yet: Fix deferred |
| Red Hat JBoss Operations Network 3 | Affected | No fix planned: Out of support scope |
| Red Hat JBoss SOA Platform 5 | Affected | No fix planned: Out of support scope |
| Red Hat OpenShift Application Runtimes | Affected | No fix yet |
| EAP-CD 20 Tech Preview | Fixed | RHSA-2020:3585 |
| Red Hat Fuse 7.8.0 | Fixed | RHSA-2020:5568 |
| Red Hat JBoss EAP 7.2 | Fixed | RHSA-2020:3144 |
| Red Hat JBoss EAP 7.2 for RHEL 6 Server | Fixed | RHSA-2020:3142, RHSA-2020:3637 |
| Red Hat JBoss EAP 7.2 for RHEL 7 Server | Fixed | RHSA-2020:3142, RHSA-2020:3638 |
| Red Hat JBoss EAP 7.2 for RHEL 8 | Fixed | RHSA-2020:3142, RHSA-2020:3639 |
| Red Hat JBoss EAP 7.3 for BaseOS-8 | Fixed | RHSA-2020:3141, RHSA-2020:3463 |
| Red Hat JBoss EAP 7.3 for RHEL 6 Server | Fixed | RHSA-2020:3141, RHSA-2020:3461 |
| Red Hat JBoss EAP 7.3 for RHEL 7 Server | Fixed | RHSA-2020:3141, RHSA-2020:3462 |
| Red Hat JBoss Enterprise Application Platform 7 | Fixed | RHSA-2020:3143 |
| Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7 Server | Fixed | RHSA-2025:9582 |
| Red Hat Single Sign-On 7.4.2 | Fixed | RHSA-2020:3501 |
| Text-Only RHOAR | Fixed | RHSA-2020:3539 |
Not affected: 4 products
- Red Hat Data Grid 8
- Red Hat Decision Manager 7
- Red Hat JBoss Data Grid 7
- Red Hat Process Automation 7
Timeline
- 2026-10-02 Threatist record created from CVE-2020-10740
- 2026-10-03 Alias added: GHSA-vrmw-2xhq-hrmp
References
More Red Hat Wildfly vulnerabilities
- TI-2018-07554 An issue was discovered in WildFly 10.1.2.Final. CVSS 3.1CRITICAL 9.8
- TI-2019-11091 A flaw was found when an OpenSSL security provider is used with Wildfly, the… CVSS 3.1CRITICAL 9.1
- TI-2019-02903 It was discovered that the ElytronManagedThread in Wildfly's Elytron subsystem in… CVSS 3.1HIGH 8.8
- TI-2020-08617 A flaw was found in Wildfly before wildfly-embedded-13.0.0.Final, where the embedded… CVSS 3.1HIGH 7.5
- TI-2022-01162 A flaw was found in WildFly, where an attacker can see deployment names, endpoints, and… CVSS 3.1HIGH 7.5
- TI-2020-15705 Memory leak in Red Hat wildfly-core CVSS 3.1MEDIUM 6.5
Sources
- CVE-2020-10740 · CVE Program
- CVE-2020-10740 · NVD
- FIRST EPSS
- GHSA-vrmw-2xhq-hrmp · GitHub Advisory Database · CC BY 4.0
- CVE-2020-10740 · Red Hat security data · CC BY 4.0
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