{ "containers": { "cna": { "affected": [ { "product": "zephyr", "vendor": "zephyrproject-rtos", "versions": [ { "lessThan": "unspecified", "status": "affected", "version": "1.14.0", "versionType": "custom" }, { "lessThan": "unspecified", "status": "affected", "version": "2.1.0", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "value": "NCC Group for report" } ], "datePublic": "2020-05-01T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "The shell subsystem contains a buffer overflow, whereby an adversary with physical access to the device is able to cause a memory corruption, resulting in denial of service or possibly code execution within the Zephyr kernel. 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