AWMS Mobile App vulnerable to improper server certificate verification


AWMS Mobile App is vulnerable to improper server certificate verification (CWE-295).

Dai Nakamura of Cryptography Laboratory, Department of Information and Communication Engineering, Tokyo Denki University 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

Fuji Xerox Co., Ltd.
  • AWMS Mobile App for iOS 2.0.0 to 2.0.8
  • AWMS Mobile App for Android 2.0.0 to 2.0.5


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

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

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

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

  1. CVE-2020-5526

  1. JVN : JVN#00014057
Revision History

  • [2020/01/31]
      Web page was published
  • [2021/04/12]
      Vendor Information : The hyperlink URL was updated