QND vulnerable to privilege escalation


QND provided by QualitySoft Corporation contains a privilege escalation vulnerability (CWE-268).

Satoshi Ogawa of Mitsui Bussan Secure Directions, Inc. RedTeam 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 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Local
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: Complete
  • Integrity Impact: Complete
  • Availability Impact: Complete
Affected Products

QualitySoft Corporation
  • QND Premium/Advance/Standard Ver.11.0.4i and earlier


A user who can log in to the PC where the product's Windows client is installed may obtain administrative privileges. As a result, sensitive information may be modified/obtained or unintended operations may be performed.

[Update the software]
This vulnerability is addressed in QND Advance/Premium/Standard Ver.11.0.5i.
For following versions, update to the latest version according to the information provided by the developer.

*QND Advance/Premium/Standard Ver.11.0i to Ver.11.0.4i

Note that the following versions are no longer supported. The developer recommends users to update to the latest version.

*QND Advance/Standard Ver.10.3i SP3 and earlier

[Apply the Patch]
For the following version, apply the patch according to the information provided by the developer.

*QND Advance/Standard Ver.10.4i
Vendor Information

QualitySoft Corporation
CWE (What is CWE?)

  1. Permissions(CWE-264) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20713

  1. JVN : JVN#74686032
Revision History

  • [2021/05/21]
      Web page was published