CVE-2025-56146

5.3 MEDIUM

📋 TL;DR

The Indian Bank IndSMART Android app version 3.8.1 fails to properly validate SSL certificates in its NuWebViewActivity component, allowing potential man-in-the-middle attacks. This vulnerability affects all users of the vulnerable app version who access banking services through the affected component. Attackers could intercept and manipulate sensitive banking communications.

💻 Affected Systems

Products:
  • Indian Bank IndSMART Android App
Versions: 3.8.1
Operating Systems: Android
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects the NuWebViewActivity component within the app.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could intercept login credentials, session tokens, and sensitive banking data, leading to account compromise and financial fraud.

🟠

Likely Case

Man-in-the-middle attackers on compromised networks could intercept banking sessions and steal sensitive information.

🟢

If Mitigated

With proper network controls and certificate pinning, risk is limited to targeted attacks on specific users.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires man-in-the-middle position on user's network; no authentication bypass needed for interception.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 3.8.1

Vendor Advisory: https://medium.com/@parvbajaj2000/cve-2025-56146-missing-ssl-certificate-validation-in-indian-bank-indsmart-android-app-9db200ac1c69

Restart Required: No

Instructions:

1. Update Indian Bank IndSMART app from Google Play Store. 2. Verify app version is newer than 3.8.1. 3. Restart app after update.

🔧 Temporary Workarounds

Network Security Controls

all

Implement certificate pinning at network perimeter to detect SSL interception attempts.

🧯 If You Can't Patch

  • Discontinue use of the vulnerable app version and switch to web banking with proper SSL validation.
  • Use only trusted, secure networks when accessing banking services.

🔍 How to Verify

Check if Vulnerable:

Check app version in Android settings > Apps > Indian Bank IndSMART. If version is 3.8.1, app is vulnerable.

Check Version:

adb shell dumpsys package com.indianbank.indsmart | grep versionName

Verify Fix Applied:

Update app via Google Play Store and confirm version is newer than 3.8.1.

📡 Detection & Monitoring

Log Indicators:

  • SSL certificate validation errors in app logs
  • Unexpected certificate authorities in SSL handshakes

Network Indicators:

  • SSL/TLS interception attempts on banking app traffic
  • Invalid certificate chains in HTTPS connections

SIEM Query:

source="android_app_logs" AND app="indianbank.indsmart" AND (event="ssl_error" OR event="certificate_validation_failed")

🔗 References

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