{"id":"CVE-2020-5396","aliases":["EUVD-2020-26577","GHSA-3g3v-fjwj-v857"],"status":"published","title":"JMX Insecure Default Configuration in GemFire","description":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01891,"percentile":0.79757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-862"],"published":"2020-07-31T19:40:19Z","modified":"2026-06-17T03:21:24Z","products":[{"vendor":"vmware","product":"gemfire"},{"vendor":"vmware","product":"tanzu_gemfire_for_virtual_machines"},{"vendor":"vmware tanzu","product":"vmware gemfire"},{"vendor":"vmware tanzu","product":"vmware tanzu gemfire for vms"}],"references":[{"url":"https://tanzu.vmware.com/security/cve-2020-5396","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-5396"},{"url":"https://github.com/advisories/GHSA-3g3v-fjwj-v857"}],"sources":{"cve":[{"id":"CVE-2020-5396","title":"JMX Insecure Default Configuration in GemFire","description":"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.","status":"published","published":"2020-07-31T19:40:19.558Z","modified":"2024-09-16T16:23:21.49Z","cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:47.877975Z"}],"euvd":[{"id":"EUVD-2020-26577","description":"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.","status":"published","published":"2020-07-31T19:40:19Z","modified":"2024-09-16T16:23:21Z","updated_at":"2026-11-03T00:55:52.084115Z"}],"ghsa":[{"id":"GHSA-3g3v-fjwj-v857","title":"VMware GemFire versions prior to 9.10.0, 9.9.2, 9.8.7, and 9.7.6, and VMware Tanzu GemFire for...","description":"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.","status":"published","published":"2022-05-24T17:24:49Z","modified":"2023-01-29T05:03:39Z","updated_at":"2026-11-02T14:45:21.848692Z"}],"nvd":[{"id":"CVE-2020-5396","description":"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.","status":"published","published":"2020-07-31T20:15:12.937Z","modified":"2026-06-17T03:21:24.55Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-284","CWE-862"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}