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Fencer Intel
medium 5.5

CVE-2016-4839 json

The Android Apps Money Forward (prior to v7.18.0), Money Forward for The Gunma Bank (prior to v1.2.0), Money Forward for SHIGA BANK (prior…

published 2017-05-12 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-5821

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

The Android Apps Money Forward (prior to v7.18.0), Money Forward for The Gunma Bank (prior to v1.2.0), Money Forward for SHIGA BANK (prior to v1.2.0), Money Forward for SHIZUOKA BANK (prior to v1.4.0), Money Forward for SBI Sumishin Net Bank (prior to v1.6.0), Money Forward for Tokai Tokyo Securities (prior to v1.4.0), Money Forward for THE TOHO BANK (prior to v1.3.0), Money Forward for YMFG (prior to v1.5.0) provided by Money Forward, Inc. and Money Forward for AppPass (prior to v7.18.3), Money Forward for au SMARTPASS (prior to v7.18.0), Money Forward for Chou Houdai (prior to v7.18.3) provided by SOURCENEXT CORPORATION do not properly implement the WebView class, which allows an attacker to disclose information stored on the device via a specially crafted application.

Patch / fix

  • moneyforward money_forward_for_apppass 7.18.3
  • moneyforward money_forward_for_au_smartpass 7.18.0
  • moneyforward money_forward_for_chou_houdai 7.18.3
  • moneyforward money_forward_for_sbi_sumishin_net_bank 1.6.0
  • moneyforward money_forward_for_shiga_bank 1.2.0
  • moneyforward money_forward_for_shizuoka_bank 1.4.0
  • moneyforward money_forward_for_the_gunma_bank 1.2.0
  • moneyforward money_forward_for_the_toho_bank 1.3.0
  • moneyforward money_forward_for_tokai_tokyo_securities 1.4.0
  • moneyforward money_forward_for_ymfg 1.5.0

Exploit prediction

1.66% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • Money Foward, Inc. Money Forward
  • Money Foward, Inc. Money Forward for The Gunma Bank
  • Money Foward, Inc. Money Forward for SHIGA BANK
  • Money Foward, Inc. Money Forward for SHIZUOKA BANK
  • Money Foward, Inc. Money Forward for SBI Sumishin Net Bank
  • Money Foward, Inc. Money Forward for Tokai Tokyo Securities
  • Money Foward, Inc. Money Forward for THE TOHO BANK
  • Money Foward, Inc. Money Forward for YMFG
  • SOURCENEXT CORPORATION Money Forward for AppPass
  • SOURCENEXT CORPORATION Money Forward for au SMARTPASS
  • SOURCENEXT CORPORATION Money Forward for Chou Houdai

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.