Rakuten card App for iOS fails to verify SSL server certificates


Rakuten card App for iOS provided by Rakuten Card Co., Ltd. fails to verify SSL server certificates.

AOKI Keiichi reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

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

Rakuten Card Co., Ltd.
  • Rakuten card App for iOS versions 5.2.0 to 5.2.4


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

Rakuten Card Co., Ltd.
CWE (What is CWE?)

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

  1. CVE-2015-2988

  1. JVN : JVN#81207766
  2. National Vulnerability Database (NVD) : CVE-2015-2988
Revision History

  • [2015/09/01]
      Web page was published
  • [2018/03/14]
      References : Content was added