CVE-2020-6158
📋 TL;DR
CVE-2020-6158 is an address bar spoofing vulnerability in Opera Mini for Android that allows malicious websites to display a fake URL in the browser's address bar. This could trick users into believing they're on a legitimate site when they're actually on a malicious one, potentially leading to credential theft or phishing attacks. Only Opera Mini for Android users running versions before 52.2 are affected.
💻 Affected Systems
- Opera Mini for Android
⚠️ 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.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Users could be tricked into entering sensitive credentials, financial information, or personal data into malicious websites impersonating legitimate banking, email, or social media sites.
Likely Case
Phishing attacks where users are tricked into providing login credentials or personal information to fake websites that appear legitimate due to the spoofed address bar.
If Mitigated
Users who verify URLs carefully or use additional security measures might avoid falling victim, but the visual deception remains possible.
🎯 Exploit Status
The vulnerability requires user interaction (visiting a malicious website) but the exploit itself is simple to implement.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 52.2 and later
Vendor Advisory: https://security.opera.com/en/address-bar-spoofing-in-opera-mini-for-android-opera-security-advisories/
Restart Required: No
Instructions:
1. Open Google Play Store 2. Search for Opera Mini 3. If an update is available, tap Update 4. Alternatively, enable automatic updates in Play Store settings
🔧 Temporary Workarounds
Switch to alternative browser
androidUse a different browser that is not vulnerable to this specific issue
Disable JavaScript
androidDisabling JavaScript may prevent the exploit but will break many websites
🧯 If You Can't Patch
- Educate users to manually verify URLs by checking the full address bar and looking for HTTPS indicators
- Implement network filtering to block known malicious domains that might exploit this vulnerability
🔍 How to Verify
Check if Vulnerable:
Check Opera Mini version in app settings. If version is below 52.2, the device is vulnerable.Check Version:
Open Opera Mini → Settings → About Opera MiniVerify Fix Applied:
After updating, verify the version number is 52.2 or higher in app settings.📡 Detection & Monitoring
Log Indicators:
- Unusual browser behavior reports from users
- Phishing incident reports involving Opera Mini
Network Indicators:
- Traffic to domains with SSL certificates that don't match the displayed URL in user reports
SIEM Query:
Not applicable for client-side browser vulnerability