CVE-2016-4839
5.5 · MEDIUMOverview
CVE-2016-4839 is a medium-severity vulnerability affecting moneyforward money_forward_for_apppass. It was published on May 12, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
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.
Remediation
Check the references section for vendor advisories and patches from moneyforward. Update money_forward_for_apppass to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| moneyforward | money_forward_for_apppass | >= 0, < 7.18.3 | Affected |
| moneyforward | money_forward_for_au_smartpass | >= 0, < 7.18.0 | Affected |
| moneyforward | money_forward_for_chou_houdai | >= 0, < 7.18.3 | Affected |
| moneyforward | money_forward_for_sbi_sumishin_net_bank | >= 0, < 1.6.0 | Affected |
| moneyforward | money_forward_for_shiga_bank | >= 0, < 1.2.0 | Affected |
| moneyforward | money_forward_for_shizuoka_bank | >= 0, < 1.4.0 | Affected |
| moneyforward | money_forward_for_the_gunma_bank | >= 0, < 1.2.0 | Affected |
| moneyforward | money_forward_for_the_toho_bank | >= 0, < 1.3.0 | Affected |
| moneyforward | money_forward_for_tokai_tokyo_securities | >= 0, < 1.4.0 | Affected |
| moneyforward | money_forward_for_ymfg | >= 0, < 1.5.0 | Affected |
References
Frequently Asked Questions
What is CVE-2016-4839?
CVE-2016-4839 is a medium-severity vulnerability affecting moneyforward money_forward_for_apppass. It was published on May 12, 2017 and has a CVSS 3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2016-4839?
This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2016-4839?
Check the references section for vendor advisories and patches from moneyforward. Update money_forward_for_apppass to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2016-4839?
CyberStrike's AI-powered security agents can automatically detect CVE-2016-4839 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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