CVE-2024-45352

8.8 HIGH

📋 TL;DR

This critical vulnerability in Xiaomi smarthome applications allows remote attackers to execute arbitrary code by exploiting improper input validation. It affects users of Xiaomi smart home ecosystem products running vulnerable versions of the application. Successful exploitation could lead to complete device compromise.

💻 Affected Systems

Products:
  • Xiaomi smarthome applications
Versions: Specific vulnerable versions not detailed in advisory; check Xiaomi security bulletin for exact versions.
Operating Systems: Android, iOS
Default Config Vulnerable: ⚠️ Yes
Notes: Affects the mobile applications controlling Xiaomi smart home devices. Exact product models not specified in available advisory.

⚠️ 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

Full system compromise allowing attackers to install malware, steal sensitive data, pivot to other network devices, or create persistent backdoors in smart home infrastructure.

🟠

Likely Case

Remote code execution leading to unauthorized access to smart home devices, potential data theft, and disruption of smart home services.

🟢

If Mitigated

Limited impact with proper network segmentation and security controls, potentially only affecting isolated smart home devices.

🌐 Internet-Facing: HIGH - Smart home applications often have internet connectivity for remote management, making them accessible to attackers.
🏢 Internal Only: MEDIUM - Even if not directly internet-facing, compromised devices could be used as pivot points within home networks.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Based on CVSS score and description, exploitation likely requires network access but minimal authentication. No public exploit details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Check Xiaomi security advisory for specific patched versions

Vendor Advisory: https://trust.mi.com/zh-CN/misrc/bulletins/advisory?cveId=550

Restart Required: Yes

Instructions:

1. Open Xiaomi smarthome app 2. Check for updates in app settings 3. Install latest version 4. Restart application and affected smart devices 5. Verify update completion

🔧 Temporary Workarounds

Network Segmentation

all

Isolate smart home devices on separate VLAN or network segment

Disable Remote Access

all

Turn off internet connectivity for smart home devices if not required

🧯 If You Can't Patch

  • Implement strict network access controls to limit communication to/from smart home devices
  • Monitor network traffic for unusual patterns indicating exploitation attempts

🔍 How to Verify

Check if Vulnerable:

Check app version in Xiaomi smarthome application settings and compare against patched versions in vendor advisory

Check Version:

Open Xiaomi smarthome app → Settings → About → Check version number

Verify Fix Applied:

Confirm app version matches or exceeds patched version listed in Xiaomi security bulletin

📡 Detection & Monitoring

Log Indicators:

  • Unusual process creation from smarthome app
  • Unexpected network connections from smart devices
  • Authentication failures or unusual access patterns

Network Indicators:

  • Unusual outbound connections from smart home devices
  • Suspicious payloads in network traffic to smart home controllers
  • Anomalous protocol usage

SIEM Query:

source="smart-home-devices" AND (event_type="process_creation" OR event_type="network_connection") AND severity>=high

🔗 References

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