[Japanese]

JVNDB-2025-000102

CLUSTERPRO X and EXPRESSCLUSTER X vulnerable to OS command injection

Overview

CLUSTERPRO X and EXPRESSCLUSTER X provided by NEC Corporation contain the following vulnerability.

* OS command injection (CWE-78) - CVE-2025-11546

NEC Corporation reported this vulnerability to IPA to notify users of its solution through JVN. JPCERT/CC and NEC Corporation coordinated under the Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 9.8 (Critical) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products


NEC Corporation
  • EXPRESSCLUSTER X 4.0 for Linux
  • EXPRESSCLUSTER X 4.1 for Linux
  • EXPRESSCLUSTER X 4.2 for Linux
  • EXPRESSCLUSTER X 4.3 for Linux
  • EXPRESSCLUSTER X 5.0 for Linux
  • EXPRESSCLUSTER X 5.1 for Linux
  • EXPRESSCLUSTER X 5.2 for Linux
  • CLUSTERPRO X 4.0 for Linux
  • CLUSTERPRO X 4.1 for Linux
  • CLUSTERPRO X 4.2 for Linux
  • CLUSTERPRO X 4.3 for Linux
  • CLUSTERPRO X 5.0 for Linux
  • CLUSTERPRO X 5.1 for Linux
  • CLUSTERPRO X 5.2 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 4.0 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 4.1 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 4.2 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 4.3 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 5.0 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 5.1 for Linux
  • EXPRESSCLUSTER X SingleServerSafe 5.2 for Linux
  • CLUSTERPRO X SingleServerSafe 4.0 for Linux
  • CLUSTERPRO X SingleServerSafe 4.1 for Linux
  • CLUSTERPRO X SingleServerSafe 4.2 for Linux
  • CLUSTERPRO X SingleServerSafe 4.3 for Linux
  • CLUSTERPRO X SingleServerSafe 5.0 for Linux
  • CLUSTERPRO X SingleServerSafe 5.1 for Linux
  • CLUSTERPRO X SingleServerSafe 5.2 for Linux

Impact

A specially crafted packet sent by an attacker could cause arbitrary OS command execution in the affected products without authentication.
Solution

[Update the Software]
Update the software to the latest version according to the information provided by the developer.

[Apply the workarounds]
Apply the following workarounds to avoid the impacts of this vulnerability.

* Enable a firewall and block unnecessary packets
* Accept connection requests for the following ports only from the hosts belonging to the cluster:
​- Data transfer (Default: 29002)

For more details, refer to the information provided by the developer.
Vendor Information

NEC Corporation
CWE (What is CWE?)

  1. OS Command Injection(CWE-78) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2025-11546
References

  1. JVN : JVN#59387134
Revision History

  • [2025/11/07]
      Web page was published

Date Public2025/11/07
Date First Published2025/11/07
Date Last Updated2025/11/07