A vulnerability in V20 PRO L-01J that may cause a crash


V20 PRO L-01J provided by NTT DOCOMO, INC. is an Android smartphone. V20 PRO L-01J contains a flaw in processing connection using Wi-Fi CERTIFIED Passpoint which may result in the device to crash when Poasspoint is enabled.

Hiroyuki Harada of Sapporo Gakuin University, Masashi Honma of Sole Proprietorship, and Hideaki Goto of Tohoku 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 4.3 (Medium) [IPA Score]
  • Attack Vector: Adjacent Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Low
CVSS V2 Severity:
Base Metrics 3.3 (Low) [IPA Score]
  • Access Vector: Adjacent Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: Partial
Affected Products

  • V20 PRO L-01J software version L01J20c and L01J20d


If an attacker sets up a specially crafted Passpoint applied access point, a vulnerable device in the same communication range with the access point may crash.

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

CWE (What is CWE?)

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

  1. CVE-2019-5914

  1. JVN : JVN#40439414
  2. National Vulnerability Database (NVD) : CVE-2019-5914
Revision History

  • [2019/02/12]
      Web page was published
  • [2019/08/28]
      References : Content was added