CVE-2020-11715
📋 TL;DR
Panasonic P99 devices have an incorrect access control vulnerability that allows unauthorized users to bypass authentication mechanisms. This affects all Panasonic P99 devices manufactured through April 10, 2020. The vendor has declared these products end-of-support, meaning no official patches will be released.
💻 Affected Systems
- Panasonic P99 devices
📦 What is this software?
P99 Firmware by Panasonic
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing attackers to access sensitive data, modify device settings, or use the device as an entry point into connected networks.
Likely Case
Unauthorized access to device functions and potentially sensitive information stored on or accessible through the device.
If Mitigated
Limited impact if devices are isolated from critical networks and have strong perimeter controls.
🎯 Exploit Status
CVSS 9.8 suggests critical severity with low attack complexity. No public exploit code identified.
🛠️ 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 affected products are end-of-support.
🔧 Temporary Workarounds
Network isolation
allIsolate affected devices from critical networks and internet access
Access control lists
allImplement strict network ACLs to limit device communication
🧯 If You Can't Patch
- Remove devices from production networks entirely
- Implement compensating controls like network segmentation and monitoring
🔍 How to Verify
Check if Vulnerable:
Check device model and manufacturing date. If Panasonic P99 manufactured before or on 2020-04-10, it is vulnerable.Check Version:
Check device label or manufacturer documentation for model and date informationVerify Fix Applied:
No fix available to verify. Only mitigation through network controls.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts
- Unusual authentication patterns
- Configuration changes without proper authorization
Network Indicators:
- Unexpected network traffic to/from P99 devices
- Traffic patterns indicating unauthorized access
SIEM Query:
device_model:"Panasonic P99" AND (auth_failure OR config_change)