MCL Technologies MCL-Net vulnerable to directory traversal


Server software "MCL-Net" provided by MCL Technologies contains a directory traversal vulnerability (CWE-22, CVE-2023-4990).

Panasonic reported this vulnerability to JPCERT/CC to notify users of its solution through JVN.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.5 (High) [Other]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

MCL Technologies
  • MCL-Net firmware versions prior to 4.6 Update Package (P02)


Arbitrary files on the server may be read by an attacker.

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

MCL Technologies Panasonic Corporation
CWE (What is CWE?)

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

  1. CVE-2023-4990

  1. JVN : JVNVU#99565391
  2. National Vulnerability Database (NVD) : CVE-2023-4990
Revision History

  • [2023/11/01]
      Web page was published