Multiple vulnerabilities in Fuji Electric V-SFT, V-Server and V-Server Lite


Multiple vulnerabilities listed below exist in the simulator module contained in the graphic editor "V-SFT" and the remote monitoring software "V-Server" and "V-Server Lite" provided by FUJI ELECTRIC CO., LTD.

* Out-of-bounds Read in V-SFT (CWE-125) - CVE-2022-29506
* Out-of-bounds Read in V-Server and V-Server Lite (CWE-125) - CVE-2022-30549
* Out-of-bounds Write in V-Server and V-Server Lite (CWE-787) - CVE-2022-29524

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 Lite v4.0.13.0 and earlier
  • V-Server v4.0.11.0 and earlier
  • V-SFT v6.1.3.0 and earlier


Exploiting these vulnerabilities by having a user to open a specially crafted image file may result in the following impacts.

* Information disclosure
* Arbitrary code execution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
The respective products/versions listed below contain the fixes for these vulnerabilities.

* V-SFT v6.1.6.0 (Improvement information 2240H36)
* V-Server V4.0.12.0 and V-Server Lite V4.0.13.0a (Improvement information 2250S01)
Vendor Information

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

  1. Out-of-bounds Read(CWE-125) [Other]
  2. Out-of-bounds Write(CWE-787) [Other]
CVE (What is CVE?)

  1. CVE-2022-29506
  2. CVE-2022-30549
  3. CVE-2022-29524

  1. JVN : JVNVU#93134398
Revision History

  • [2022/05/27]
      Web page was published