[Japanese]

JVNDB-2021-000046

ATOM - Smart life App vulnerable to improper server certificate verification

Overview

ATOM - Smart life App provided by ATOM tech Inc. is vulnerable to improper server certificate verification (CWE-295).

Yuji Tounai of Mitsui Bussan Secure Directions, Inc. 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 4.8 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: High
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


ATOM tech Inc.
  • ATOM - Smart life App for Android prior to 1.8.1
  • ATOM - Smart life App for iOS prior to 1.8.2

Impact

A man-in-the-middle attack may allow an attacker to eavesdrop on an encrypted communication.
Solution

[Update the Application]
Update the application to the latest version according to the information provided by the developer.
Vendor Information

ATOM tech Inc.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20732
References

  1. JVN : JVN#64064138
  2. National Vulnerability Database (NVD) : CVE-2021-20732
Revision History

  • [2021/06/03]
      Web page was published

Date Public2021/06/03
Date First Published2021/06/03
Date Last Updated2021/06/03