CVE-2020-27484

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:garmin:forerunner_235_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "6043DF86-0FC7-4F8D-A1F4-A8A79BF90099", "versionEndExcluding": "8.20", "versionStartIncluding": "7.90", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:garmin:forerunner_235:-:*:*:*:*:*:*:*", "matchCriteriaId": "3387D0DB-AB79-4860-B741-CE78FE79139D", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Garmin Forerunner 235 before 8.20 is affected by: Integer Overflow. The component is: ConnectIQ TVM. The attack vector is: To exploit the vulnerability, the attacker must upload a malicious ConnectIQ application to the ConnectIQ store. The ConnectIQ program interpreter fails to check for overflow when allocating the array for the NEWA instruction. This a constrained read/write primitive across the entire MAX32630 address space. A successful exploit would allow a ConnectIQ app store application to escape and perform activities outside the restricted application execution environment."}, {"lang": "es", "value": "Garmin Forerunner 235 versiones anteriores a 8.20, est\u00e1 afectado por: un Desbordamiento de Enteros. El componente es: ConnectIQ TVM. El vector de ataque es: Para explotar la vulnerabilidad, el atacante debe cargar una aplicaci\u00f3n de ConnectIQ maliciosa en la tienda ConnectIQ. El int\u00e9rprete del programa ConnectIQ presenta un fallo al comprobar el desbordamiento al asignar la matriz para la instrucci\u00f3n NEWA. Esta es una primitiva de lectura y escritura restringida en todo el espacio de direcciones MAX32630. Una explotaci\u00f3n con \u00e9xito permitir\u00eda a una aplicaci\u00f3n de la tienda de aplicaciones ConnectIQ escapar y llevar a cabo actividades fuera del entorno de ejecuci\u00f3n de aplicaciones restringido"}], "id": "CVE-2020-27484", "lastModified": "2026-06-17T03:09:15.183", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-16T21:15:13.377", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/atredispartners/advisories/blob/master/ATREDIS-2020-0004.md"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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