Joyful Note vulnerability in handling files


Joyful Note from KENT-WEB is a bulletin board software that allows users to upload binary files such as image files. Joyful Note contains a vulnerability in handling files.

Shoji Baba reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V2 Severity:
Base Metrics 7.5 (High) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

  • Joyful Note Ver 5.21 and earlier


A remote attacker may create arbitrary files or delete existing files on the server. As a result, arbitrary code may be executed.

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Vendor Information

CWE (What is CWE?)

  1. Path Traversal(CWE-22) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2015-0889

  1. JVN : JVN#88862608
  2. National Vulnerability Database (NVD) : CVE-2015-0889
Revision History

  • [2015/02/27]
      Web page was published
      References : Content was added