NetCommons vulnerable to privilege escalation


NetCommons provided by the NetCommons Project contains a privilege escalation vulnerability.

Satoru Nagaoka of Cyber Defense Institute, Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.1 (High) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.5 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

NetCommons Project
  • NetCommons and earlier versions


A user with secretariat privileges ("CLERK") may create a user with (system) administrator privileges ("SYSTEM_ADMIN").

[Update the Software]
Update the software according to the information provided by the developer.
Vendor Information

NetCommons Project
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2016-4813

  1. JVN : JVN#00460236
  2. National Vulnerability Database (NVD) : CVE-2016-4813
Revision History

  • [2016/05/26]
      Web page was published
      References : Content was added