MemoCGI vulnerable to directory traversal


MemoCGI provided by ChamaNet contains a directory traversal vulnerability (CWE-22).

Ikuo Shoji 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 5.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

  • MemoCGI v2.1800 to v2.2200


A remote attacker may view files on the server.

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

  • Chama-Net : MemoCGI (in Japanese)
CWE (What is CWE?)

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

  1. CVE-2018-0617
  2. CVE-2018-0617

  1. JVN : JVN#58362455
Revision History

  • [2018/06/27]
      Web page was published
  • [2019/07/05]
      References : Content was added