#VU32997 Configuration in VMware GemFire and VMware Tanzu GemFire for VMs - CVE-2020-5396

Vulnerability identifier: #VU32997

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-5396

CWE-ID: CWE-16

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VMware GemFire
Server applications / Other server solutions
VMware Tanzu GemFire for VMs
Server applications / Virtualization software

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exixts due to a JMX service contains an insecure default configuration. A remote authenticated attacker can create an MLet mbean and execute arbitrary code on the target system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VMware GemFire: 9.7.0 - 9.9.1

VMware Tanzu GemFire for VMs: 1.10.0 - 1.11.0

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External links
https://tanzu.vmware.com/security/cve-2020-5396

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.