CVE-2020-5396 json
JMX Insecure Default Configuration in GemFire
published 2020-07-31 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26577
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
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.
Patch / fix
- VMware Tanzu VMware Tanzu GemFire for VMs 1.10.2, 1.11.1
- VMware Tanzu VMware GemFire 9.7.6, 9.8.7, 9.9.2, 9.10.0
Exploit prediction
1.89% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- VMware Tanzu VMware Tanzu GemFire for VMs
- VMware Tanzu VMware GemFire
Classification
References
-
tanzu.vmware.com
/security/cve-2020-5396
vendor-advisory
Sources
- CVE List CVE-2020-5396
- NVD CVE-2020-5396
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