CVE-2026-21012

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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": "External control of file name in AODManager prior to SMR Apr-2026 Release 1 allows privileged local attacker to create file with system privilege."}, {"lang": "es", "value": "Control externo del nombre de archivo en AODManager antes de la versi\u00f3n 1 de SMR de abril de 2026 permite a un atacante local privilegiado crear un archivo con privilegios de sistema."}], "id": "CVE-2026-21012", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.8, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "mobile.security@samsung.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-21012", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-13T13:09:23.837833Z", "version": "2.0.3"}}]}, "published": "2026-04-13T06:16:05.887", "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": "NVD-CWE-noinfo"}], "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": "2026-04-14T17:59:23.709837+00:00", "value": {"mitigation_remediation": ["Apply the latest Samsung security update for Android\u202f14,\u202f15, or\u202f16 released after SMR\u202fApr\u20112026\u202fRelease\u202f1 via the Samsung Security Update portal. Verify the device\u2019s software information shows the updated release date and version. If an update is not yet available, restrict local privileged access by limiting user accounts or disabling the AODManager application if possible. Monitor system logs for unexpected file creation events. Keep the device\u2019s OS and associated security patches up to date to reduce the window of exposure."], "summary": {"action": "Patch now", "impact": "Local privilege escalation via file creation"}, "threat_synthesis": {"affected_systems": "Samsung Mobile Devices running Android\u202f14,\u202f15, or\u202f16 before the April\u202f2026 Release\u202f1. All system maintenance releases (SMR) for each major Android version listed in the CPEs\u2014from SMR\u202fJan\u20112022 to SMR\u202fSep\u20112025 for Android\u202f14 and the corresponding SMR releases for Android\u202f15 and 16\u2014are affected. Any device that has not applied the April\u202f2026 Release\u202f1 update remains vulnerable.", "description_and_impact": "AODManager in Samsung Android devices prior to the April\u202f2026 Release\u202f1 allows a privileged local attacker to control the name of a file that the system will create. The attacker can therefore create a file with system\u2011level privileges, giving a vector for persistent malicious code or further privilege escalation. The vulnerability is caused by insufficient input validation of file names, a form of unchecked user\u2011controlled file creation.", "risk_and_exploitability": "The CVSS score of 6.8 indicates a moderate severity vulnerability. The EPSS score of less than\u202f1\u202f% suggests that exploitation likelihood is currently low, and the vulnerability is not listed in CISA\u2019s KEV catalog. The attack requires local privileged access, limiting practical exploitability to situations where an attacker can gain local user privileges, such as through social engineering or a compromised device. If exploited, the attacker could place system\u2011level files that persist across reboots, potentially enabling persistence or malicious services. No widespread exploitation has been reported yet, but the impact is significant for devices running the affected AODManager component."}}}}, "created": "2026-04-13T12:37:09.107445+00:00", "title": "Privileged Local File Creation via External Control of File Name in AODManager", "updated": "2026-04-15T15:45:07.534785+00:00", "vendors": ["samsung", "samsung$PRODUCT$mobile_devices", "samsung_mobile", "samsung_mobile$PRODUCT$samsung_mobile_devices"], "weaknesses": ["CWE-284"]}