CVE-2026-20980

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{"lang": "es", "value": "Validaci\u00f3n de entrada incorrecta en PACM anterior a la versi\u00f3n 1 de SMR de febrero de 2026 permite a un atacante f\u00edsico ejecutar comandos arbitrarios."}], "id": "CVE-2026-20980", "lastModified": "2026-06-17T10:18:09.430", "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": "NONE", "attackVector": "PHYSICAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.0, "baseSeverity": "HIGH", "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: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-2026-20980", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-02-04T16:55:58.268246Z", "version": "2.0.3"}}]}, "published": "2026-02-04T07:15:59.967", "references": [{"source": "mobile.security@samsung.com", "tags": ["Vendor Advisory"], "url": "https://security.samsungmobile.com/securityUpdate.smsb?year=2026&month=02"}], "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": "2026-04-17T23:56:12.338642+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware update that includes the SMR Feb\u20112026 Release\u202f1 for Android\u202f14 or later releases for Android\u202f15/16", "Restrict physical access to the device and enforce strict device ownership policies", "Audit device logs for unexpected command execution and restrict privileges of the PACM service if possible"], "summary": {"action": "Apply Update", "impact": "Arbitrary command execution via PACM input validation"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Samsung Mobile Devices running Android 14.0 across a wide range of SMR releases up to the Feb\u20112026 rollout, as well as Android 15.0 and 16.0 builds spanning multiple SMR collections. All devices distributed with these firmware versions before the February\u202f2026 update are impacted.", "description_and_impact": "Improper input validation in the PACM component of Samsung Mobile Android builds prior to the SMR Feb-2026 Release 1 allows a physical attacker to supply crafted inputs that result in the execution of arbitrary system commands. The flaw maps to improper input validation and command injection weaknesses (CWE\u201120, CWE\u201178) and can lead to full compromise of the device, including data theft or further lateral movement. The impact is limited to devices that contain the affected firmware revisions.", "risk_and_exploitability": "The CVSS score of 7 indicates high severity, but the EPSS score of less than 1% shows that exploitation is currently unlikely; the flaw is not listed in the CISA KEV catalog. The attack vector is inferred to be physical access to the device, requiring the attacker to manipulate the PACM interface or supply inputs via a physical medium. While the exploit is not readily achievable over the network, the potential for complete system compromise means that any successful attack would be damaging."}}}}, "created": "2026-02-04T21:18:04.250069+00:00", "title": "Physical Attacker Can Execute Arbitrary Commands via PACM Input Validation Flaw", "updated": "2026-04-18T00:00:09.485373+00:00", "vendors": ["samsung", "samsung$PRODUCT$mobile_devices"], "weaknesses": ["CWE-78", "CWE-20"]}