Multiple Fuji Xerox mobile applications fails to verify SSL server certificates


Multiple Fuji Xerox mobile applications fail to verify SSL server certificates (CWE-295).

Hirotaka Niisato 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.
  • netprint App for iOS 3.2.3 and earlier - CVE-2020-5520
  • Easy netprint App for iOS 2.0.2 and earlier - CVE-2020-5521
  • Easy netprint App for Android 2.0.3 and earlier - CVE-2020-5522

According to the developer, netprint App for Android is not affected by this vulnerability.

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-2020-5520
  2. CVE-2020-5521
  3. CVE-2020-5522

  1. JVN : JVN#66435380
Revision History

  • [2020/01/21]
      Web page was published