CVE-2026-20974

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anterior a la versi\u00f3n 1 de SMR de enero de 2026 permite a atacantes f\u00edsicos eludir el re-bloqueo de operador."}], "id": "CVE-2026-20974", "lastModified": "2026-06-17T10:18:08.613", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.2, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20974", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-09T19:08:28.349348Z", "version": "2.0.3"}}]}, "published": "2026-01-09T07:16:03.960", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=01"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T19:58:52.011813+00:00", "value": {"mitigation_remediation": ["Apply the Samsung firmware update that includes the SMR Jan\u20112026 Release\u202f1 patch for the affected Android releases.", "Enforce a strong device lock (PIN, password, or biometric) and minimize physical access to the device to reduce the chance of a local attacker manipulating restriction data.", "In managed environments, use mobile device management to restrict changes to carrier restriction settings and monitor device logs for unauthorized modifications."], "summary": {"action": "Immediate Patch", "impact": "Bypass of Carrier Relock"}, "threat_synthesis": {"affected_systems": "Samsung Android devices running Android 13.0 through 16.0 that have not yet received the SMR Jan\u20112026 Release\u202f1 security patch. This includes all devices listed in the supplied CPE strings, covering SMR releases from December\u202f2021 to September\u202f2025 for Android\u202f13\u201116.", "description_and_impact": "Improper input validation in the handling of network restriction data allows a physical attacker to reference or alter carrier restriction settings, thereby bypassing the device\u2019s carrier lock. The flaw enables the device to be unlocked from its carrier lock with no additional privileges. The vulnerability\u2019s impact is limited to device unlocking and the resulting potential exposure of stored data, as it does not provide remote code execution or broader system compromise.", "risk_and_exploitability": "The CVSS score of 5.2 reflects a medium severity assessment, while the EPSS score of less than 1% indicates that the likelihood of exploitation in the near term is low. The vulnerability is not listed in CISA\u2019s KEV catalog and no public exploit is known. Because the exploitation requires physical access to manipulate proprietary network restriction data or use a low\u2011level debugger, the attack surface is limited and the probability of targeted exploitation remains small."}}}}, "created": "2026-01-09T13:23:58.155998+00:00", "title": "Physical Attack Can Bypass Carrier Lock via Improper Network Restriction Input Validation", "updated": "2026-04-18T20:00:09.338775+00:00", "vendors": ["samsung", "samsung$PRODUCT$mobile_devices"]}