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TI-2020-04442 Aliases CVE-2020-5396GHSA-3g3v-fjwj-v857

JMX Insecure Default Configuration in GemFire

Priority MEDIUM 42CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

VMware GemFire versions prior to 9.10.0, 9.9.2, 9.8.7, and 9.7.6, and VMware Tanzu GemFire for VMs versions prior to 1.11.1 and 1.10.2, when deployed without a SecurityManager, contain a JMX service available which contains an insecure default configuration. This allows a malicious user to create an MLet mbean leading to remote code execution.

Why it matters now

EPSS 0.01891 79th percentileScored 2026-11-07
Fix Fixed VMware Tanzu GemFire for VMs (VMware Tanzu): 1.10.2, 1.11.1VMware GemFire (VMware Tanzu): 9.7.6, 9.8.7, 9.9.2 +1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
VMwareVMware Tanzu GemFire for VMs1.10 to before 1.10.2; 1.11 to before 1.11.11.10.2, 1.11.1Patch availableCNA
VMwareVMware GemFire9.7 to before 9.7.6; 9.8 to before 9.8.7; 9.9 to before 9.9.2; 9.10 to before 9.10.09.7.6, 9.8.7, 9.9.2, 9.10.0Patch availableCNA
  • VMware Tanzu GemFire for VMs VendorVMware Affected 1.10 to before 1.10.2; 1.11 to before 1.11.1 Fixed in 1.10.2, 1.11.1 Patch available CNA
  • VMware GemFire VendorVMware Affected 9.7 to before 9.7.6; 9.8 to before 9.8.7; 9.9 to before 9.9.2; 9.10 to before 9.10.0 Fixed in 9.7.6, 9.8.7, 9.9.2, 9.10.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:vmware:gemfire:*:*:*:*:*:*:*:*9.7.0 to before 9.7.6; 9.8.0 to before 9.8.7; 9.9.0 to before 9.9.2VulnerableVMware
cpe:2.3:a:vmware:tanzu_gemfire_for_virtual_machines:*:*:*:*:*:*:*:*1.10.0 to before 1.10.2; 1.11.0 to before 1.11.1VulnerableVMware
  • cpe:2.3:a:vmware:gemfire:*:*:*:*:*:*:*:* Versions 9.7.0 to before 9.7.6; 9.8.0 to before 9.8.7; 9.9.0 to before 9.9.2 Vulnerable ·VMware
  • cpe:2.3:a:vmware:tanzu_gemfire_for_virtual_machines:*:*:*:*:*:*:*:* Versions 1.10.0 to before 1.10.2; 1.11.0 to before 1.11.1 Vulnerable ·VMware

Remediation

  • Fix · CNA VMware Tanzu GemFire for VMs (VMware Tanzu) Fixed in 1.10.2, 1.11.1
  • Fix · CNA VMware GemFire (VMware Tanzu) Fixed in 9.7.6, 9.8.7, 9.9.2, 9.10.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5396
  2. 2026-10-03 Alias added: GHSA-3g3v-fjwj-v857

References

Advisory 1

  • TI-2019-08443 JMX Credential Deserialization in GemFire CVSS 3.1CRITICAL 9.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences