CVE-2025-21078

import requests import hashlib import secrets # CVE-2025-21078 PoC - Samsung Smart Switch密钥预测 # 此PoC演示了如何利用弱随机数生成漏洞 def generate_predictable_key(): # 模拟不安全的密钥生成 timestamp = 1234567890 seed = hashlib.md5(str(timestamp).encode()).hexdigest() return seed def exploit_backup_access(target_ip): # 步骤1: 监听相邻网络获取时间戳 # 步骤2: 预测密钥 # 步骤3: 解密备份数据 pass

{"cve": {"id": "CVE-2025-21078", "sourceIdentifier": "[email protected]", "published": "2025-11-05T06:15:34.103", "lastModified": "2025-11-07T15:46:38.130", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Use of insufficiently random value of secretKey in Smart Switch prior to version 3.7.68.6 allows adjacent attackers to access backup data from applications."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"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:a:samsung:smart_switch:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.7.68.6", "matchCriteriaId": "147D1C7F-B40F-4638-84B9-8132366F7323"}]}]}], "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=11", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}