CVE-2024-7726

{"id": "CVE-2024-7726", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/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": 0.9}], "cvssMetricV40": [{"type": "Secondary", "source": "cve-coordination@google.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.7, "Automatable": "NOT_DEFINED", "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "subIntegrityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2024-12-20T11:15:08.720", "references": [{"url": "https://github.com/google/security-research/security/advisories/GHSA-3hh8-94j4-62rh", "tags": ["Exploit", "Vendor Advisory"], "source": "cve-coordination@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "cve-coordination@google.com", "description": [{"lang": "en", "value": "CWE-306"}]}], "descriptions": [{"lang": "en", "value": "There exists an unauthenticated accessible JTAG port on the Kioxia PM6, PM7 and CM6 devices -\u00a0On the Kioxia CM6, PM6 and PM7 disk drives it was discovered that the 2 main CPU cores of the SoC can be accessed via an open JTAG debug port that is exposed on the drive\u2019s circuit board. Due to the wide cutout of the enclosures, the JTAG port can be accessed without having to open the disk enclosure. Utilizing the JTAG debug port, an attacker with (temporary) physical access can get full access to the firmware and memory on the 2 main CPU cores within the drive including the execution of arbitrary code, the modification of firmware execution flow and data or bypassing the firmware signature verification during boot-up."}, {"lang": "es", "value": "Existe un puerto JTAG accesible sin autenticaci\u00f3n en los dispositivos Kioxia PM6, PM7 y CM6: en las unidades de disco Kioxia CM6, PM6 y PM7 se descubri\u00f3 que se puede acceder a los 2 n\u00facleos de CPU principales del SoC a trav\u00e9s de un puerto de depuraci\u00f3n JTAG abierto que est\u00e1 expuesto en la placa de circuito de la unidad. Debido al amplio recorte de las carcasas, se puede acceder al puerto JTAG sin tener que abrir la carcasa del disco. Al utilizar el puerto de depuraci\u00f3n JTAG, un atacante con acceso f\u00edsico (temporal) puede obtener acceso completo al firmware y la memoria en los 2 n\u00facleos de CPU principales dentro de la unidad, incluida la ejecuci\u00f3n de c\u00f3digo arbitrario, la modificaci\u00f3n del flujo de ejecuci\u00f3n del firmware y los datos o eludir la verificaci\u00f3n de la firma del firmware durante el arranque."}], "lastModified": "2025-07-23T20:15:35.653", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:kioxia:cm6_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF281BBE-F726-4D87-A9AA-D4863F913546", "versionEndIncluding": "gpk5"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:kioxia:cm6:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "38820146-0567-4E11-8C8A-622CAFF3A83F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:kioxia:pm7_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C632EF0C-1D70-4B28-9D34-7E82BD63162F", "versionEndIncluding": "c40a"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:kioxia:pm7:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "5F3774E0-D522-4B83-8D59-36B6A5CE34B8"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:kioxia:pm6_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "63B7CC97-9F70-45C8-9E5B-28C32185E7DD", "versionEndIncluding": "bd0d"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:kioxia:pm6:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9BDD2372-DE5F-4B14-88E4-C83E4FB61ABF"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve-coordination@google.com"}