CVE-2020-11210
📋 TL;DR
This vulnerability allows memory corruption in the RPM region due to improper XPU configuration in Qualcomm Snapdragon chipsets. It affects devices using Snapdragon Connectivity, Industrial IOT, Mobile, and Wired Infrastructure and Networking chips. Successful exploitation could lead to arbitrary code execution or system compromise.
💻 Affected Systems
- Snapdragon Connectivity
- Snapdragon Industrial IOT
- Snapdragon Mobile
- Snapdragon Wired Infrastructure and Networking
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete device compromise allowing remote code execution, privilege escalation, and persistent access to affected systems.
Likely Case
System instability, crashes, or denial of service leading to device malfunction.
If Mitigated
Limited impact with proper memory protection mechanisms and security controls in place.
🎯 Exploit Status
Memory corruption vulnerabilities typically require specific conditions to exploit but can be leveraged by malicious applications or network attacks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Qualcomm April 2021 security bulletin for specific chipset updates
Vendor Advisory: https://www.qualcomm.com/company/product-security/bulletins/april-2021-bulletin
Restart Required: Yes
Instructions:
1. Check device manufacturer for firmware updates 2. Apply Qualcomm-provided patches 3. Update device firmware 4. Reboot device
🔧 Temporary Workarounds
Application Sandboxing
allRestrict application permissions and isolate untrusted applications
Network Segmentation
allIsolate affected devices from critical networks
🧯 If You Can't Patch
- Isolate affected devices in separate network segments
- Implement strict application whitelisting and permission controls
🔍 How to Verify
Check if Vulnerable:
Check device chipset information and compare with Qualcomm's affected products list
Check Version:
Device-specific commands vary by manufacturer (e.g., Android: 'getprop ro.bootloader' or 'cat /proc/cpuinfo')
Verify Fix Applied:
Verify firmware version matches patched versions from device manufacturer
📡 Detection & Monitoring
Log Indicators:
- Kernel panics
- Memory corruption errors
- Unexpected system reboots
Network Indicators:
- Unusual outbound connections from embedded devices
- Anomalous traffic patterns
SIEM Query:
Device logs showing memory access violations or kernel crashes