CVE-2025-21078

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=11	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:*

History

18 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Uso de un valor insuficientemente aleatorio de secretKey en Smart Switch Versiones anteriores a la versión 3.7.68.6 permite a atacantes adyacentes acceder a datos de copia de seguridad de las aplicaciones.

Information

Published : 2025-11-05 06:15

Updated : 2026-10-18 21:10

NVD link : CVE-2025-21078

Mitre link : CVE-2025-21078

CVE.ORG link : CVE-2025-21078

JSON object : View

Products Affected

samsung

smart_switch

CWE

NVD-CWE-noinfo

{"id": "CVE-2025-21078", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-21078", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-11-06T04:55:34.492837Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "mobile.security@samsung.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "affected": [{"source": "mobile.security@samsung.com", "affectedData": [{"vendor": "Samsung Mobile", "product": "Smart Switch", "versions": [{"status": "unaffected", "version": "3.7.68.6"}], "defaultStatus": "affected"}]}], "published": "2025-11-05T06:15:34.103", "references": [{"url": "https://security.samsungmobile.com/serviceWeb.smsb?year=2025&month=11", "tags": ["Vendor Advisory"], "source": "mobile.security@samsung.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "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."}, {"lang": "es", "value": "Uso de un valor insuficientemente aleatorio de secretKey en Smart Switch Versiones anteriores a la versi\u00f3n 3.7.68.6 permite a atacantes adyacentes acceder a datos de copia de seguridad de las aplicaciones."}], "lastModified": "2026-10-18T21:10:00.120", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:samsung:smart_switch:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "147D1C7F-B40F-4638-84B9-8132366F7323", "versionEndExcluding": "3.7.68.6"}], "operator": "OR"}]}], "sourceIdentifier": "mobile.security@samsung.com"}