CVE-2020-11716
📋 TL;DR
Panasonic mobile devices have insecure permissions that allow unauthorized access to system components. This affects Panasonic P110, Eluga Z1 Pro, Eluga X1, and Eluga X1 Pro users. The vendor has declared these products end-of-support, meaning no official patches will be released.
💻 Affected Systems
- Panasonic P110
- Panasonic Eluga Z1 Pro
- Panasonic Eluga X1
- Panasonic Eluga X1 Pro
📦 What is this software?
P110 Firmware by Panasonic
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing remote attackers to execute arbitrary code, access sensitive data, or install persistent malware.
Likely Case
Local attackers or malicious apps can escalate privileges, bypass security controls, and access protected system resources.
If Mitigated
With proper network segmentation and device isolation, impact is limited to the affected device only.
🎯 Exploit Status
Insecure permissions vulnerabilities typically require local access or malicious app installation for exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: None available
Vendor Advisory: https://mobile.panasonic.com/in/advisory
Restart Required: No
Instructions:
No official patch available. Vendor states products are at End-of-software-support.
🔧 Temporary Workarounds
Disable unnecessary permissions
androidReview and restrict app permissions to minimum required functionality
Navigate to Settings > Apps > [App Name] > Permissions
Install security monitoring app
androidUse security apps to monitor for permission abuse attempts
🧯 If You Can't Patch
- Replace affected devices with supported models
- Isolate devices on separate network segments with strict firewall rules
🔍 How to Verify
Check if Vulnerable:
Check device model in Settings > About phone and compare with affected list. Check if last security update was before 2020-04-10.Check Version:
Settings > About phone > Software informationVerify Fix Applied:
Cannot verify fix as no patch is available. Only mitigation is device replacement.📡 Detection & Monitoring
Log Indicators:
- Unusual permission requests in app logs
- Security permission violation alerts
Network Indicators:
- Unexpected outbound connections from affected devices
- Traffic to known malicious domains
SIEM Query:
device_model IN ('P110', 'Eluga Z1 Pro', 'Eluga X1', 'Eluga X1 Pro') AND event_type='permission_violation'