Android App "IIJ SmartKey" vulnerable to information disclosure


Android App "IIJ SmartKey" provided by Internet Initiative Japan Inc. contains an information disclosure vulnerability (CWE-200).

Naoaki Iwakiri 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 3.3 (Low) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: None
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: None
  • Availability Impact: None
Affected Products

Internet Initiative Japan Inc.
  • IIJ SmartKey versions prior to 2.1.4


Under certain conditions, an attacker may obtain a one-time password issued by the product.

[Update the application]
Update the application to the latest version according to the information provided by the developer.
This vulneravility was fixed in version 2.1.4 released on June 16, 2020.
Vendor Information

Internet Initiative Japan Inc.
CWE (What is CWE?)

  1. Information Exposure(CWE-200) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2022-41986

  1. JVN : JVN#74534998
  2. National Vulnerability Database (NVD) : CVE-2022-41986
Revision History

  • [2022/10/14]
      Web page was published
  • [2024/06/12]
      References : Content was added