CVE-2026-21011

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{"criteria": "cpe:2.3:o:samsung:android:16.0:smr-jan-2026-r1:*:*:*:*:*:*", "matchCriteriaId": "E2CCDCC2-A128-4BB4-91CD-E534E06BB24C", "vulnerable": true}, {"criteria": "cpe:2.3:o:samsung:android:16.0:smr-mar-2026-r1:*:*:*:*:*:*", "matchCriteriaId": "C1BA43B7-5D88-4F5E-B90C-5AE8AC422214", "vulnerable": true}, {"criteria": "cpe:2.3:o:samsung:android:16.0:smr-nov-2025-r1:*:*:*:*:*:*", "matchCriteriaId": "0C527C12-5480-4604-A480-1E540095EB5D", "vulnerable": true}, {"criteria": "cpe:2.3:o:samsung:android:16.0:smr-oct-2025-r1:*:*:*:*:*:*", "matchCriteriaId": "B3C64BA1-AF0F-4E65-97BE-3FD1958FFC79", "vulnerable": true}, {"criteria": "cpe:2.3:o:samsung:android:16.0:smr-sep-2025-r1:*:*:*:*:*:*", "matchCriteriaId": "79C71CA6-508E-4A19-9014-47FA1BD5A83C", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Incorrect privilege assignment in Bluetooth in Maintenance mode prior to SMR Apr-2026 Release 1 allows physical attackers to bypass Extend Unlock."}, {"lang": "es", "value": "Asignaci\u00f3n incorrecta de privilegios en Bluetooth en modo Mantenimiento anterior al lanzamiento 1 de SMR de abril de 2026 permite a atacantes f\u00edsicos eludir Extend Unlock."}], "id": "CVE-2026-21011", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.4, "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": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:A/VC:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21011", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-13T13:08:59.947618Z", "version": "2.0.3"}}]}, "published": "2026-04-13T06:16:05.740", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=04"}], "sourceIdentifier": "mobile.security@samsung.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-732"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,SMR Apr-2026 Release in Android 14, 15, 16]"}}], "original": {"product": "Samsung Mobile Devices", "source": "cna", "vendor": "Samsung Mobile"}, "product": "mobile_devices", "vendor": "samsung"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,SMR Apr-2026 Release in Android 14, 15, 16]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Samsung Mobile Devices", "source": "cna", "vendor": "Samsung Mobile"}, "product": "samsung_mobile_devices", "vendor": "samsung_mobile"}], "analysis": {"en": {"generated_at": "2026-04-14T17:59:43.473190+00:00", "value": {"mitigation_remediation": ["Apply the latest Samsung security update for affected Android versions (14, 15, or 16) that addresses the Bluetooth privilege assignment flaw.", "Disable Bluetooth when the device is in Maintenance mode to reduce exposure.", "Physically secure the device to prevent attackers from accessing it during Maintenance mode."], "summary": {"action": "Patch Now", "impact": "Privilege Escalation via Physical Access"}, "threat_synthesis": {"affected_systems": "The issue affects Samsung Mobile Devices running Android\u202f14, 15, and 16 that have not yet received the April\u202f2026 SMR Release\u202f1 update. The vulnerability manifests in any SMR release before that date: versions ranging from smr\u2011jan\u202f2022\u2011r1 to smr\u2011jan\u202f2026\u2011r1 for Android\u202f14, and analogous months for Android\u202f15 and 16 up to the appropriate SMR releases.", "description_and_impact": "The flaw involves incorrect privilege assignment in the Bluetooth stack when the device is in Maintenance mode prior to the April\u202f2026 SMR Release\u202f1 update. This weakness allows a physical attacker to gain privileges that bypass the Extend Unlock feature. The weakness is classified as CWE\u2011732, which deals with incorrect privilege assignment.", "risk_and_exploitability": "The CVSS score of 5.4 indicates moderate impact, and the EPSS score of less than 1\u202f% suggests low likelihood of exploitation. However, the attack requires physical proximity and the device to be in Maintenance mode, making it a local attack. The vulnerability is not listed in the KEV catalog. Until a patch is applied, physical attackers could bypass Extend Unlock and potentially gain further privileges."}}}}, "created": "2026-04-13T12:37:10.118588+00:00", "title": "Bluetooth Privilege Assignment Bypass in Maintenance Mode", "updated": "2026-04-15T15:45:07.535566+00:00", "vendors": ["samsung", "samsung$PRODUCT$mobile_devices", "samsung_mobile", "samsung_mobile$PRODUCT$samsung_mobile_devices"]}