Multiple vulnerabilities in Fuji Electric V-Server


V-Server provided by FUJI ELECTRIC CO., LTD. contains multiple vulnerabilities listed below.

* Stack-based Buffer ovewflow (CWE-121) - CVE-2022-47908
* Out-of-bounds Read (CWE-125) - CVE-2022-41645
* Out-of-bounds Write (CWE-787) - CVE-2022-47317

Michael Heinzl reported these vulnerabilities to JPCERT/CC.
JPCERT/CC coordinated with the developer.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 7.8 (High) [Other]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
Affected Products

Fuji Electric Co., Ltd.
  • V-Server v4.0.12.0 and earlier


Exploiting these vulnerabilities by having a user to open a specially crafted project file may result in information disclosure and/or arbitrary code execution.

[Update the software]
Update the software to the latest version according to the information provided by the developer.
The developer released V-Server v4.0.15.0 that contains the fixes for these vulnerabilities (Improvement information 22C0S04).

Vendor Information

Fuji Electric Co., Ltd.
CWE (What is CWE?)

  1. Stack-based Buffer Overflow(CWE-121) [Other]
  2. Out-of-bounds Read(CWE-125) [Other]
  3. Out-of-bounds Write(CWE-787) [Other]
CVE (What is CVE?)

  1. CVE-2022-47908
  2. CVE-2022-41645
  3. CVE-2022-47317

  1. JVN : JVNVU#92811888
Revision History

  • [2023/01/04]
      Web page was published