CVE-2015-2342
CriticalPublic exploitThe JMX RMI service in VMware vCenter Server 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not restrict registration of MBeans, which allows remote attackers to execute arbitrary code via the RMI protocol.
Published Oct 12, 2015 · Updated May 6, 2026
Key Facts
Patch immediately- CVE-2015-2342 is a critical-severity vulnerability (CVSS 10.0 v2) affecting Vcenter Server (Vmware).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 89% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v2
10.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
89%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2015-2342 brief as a PDF
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Description
The JMX RMI service in VMware vCenter Server 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not restrict registration of MBeans, which allows remote attackers to execute arbitrary code via the RMI protocol.
Affected Products
4 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Vcenter ServerVmware | 5.0, 5.1, 5.5, 6.0 | n/a |
Timeline
Publicly disclosed
Oct 12, 2015
Last updated
May 6, 2026
References
- patchhttp://www.vmware.com/security/advisories/VMSA-2015-0007.html
- exploitMSF java_jmx_server.rb
- exploitExploitDB-36101
- other20151001 CVE-2015-2342 VMware vCenter Remote Code Execution
- otherhttps://www.7elements.co.uk/resources/technical-advisories/cve-2015-2342-vmware-vcenter-remote-code-execution/
FAQ
Common Questions.
The JMX RMI service in VMware vCenter Server 5.0 before u3e, 5.1 before u3b, 5.5 before u3, and 6.0 before u1 does not restrict registration of MBeans, which allows remote attackers to execute arbitrary code via the RMI protocol.
Affected: Vcenter Server (Vmware) versions 5.0, 5.1, 5.5, 6.0. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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