An issue was discovered in Arm Mbed TLS before 2.23.0. A remote attacker can recover plaintext because a certain Lucky 13 countermeasure doesn't properly consider the case of a hardware accelerator.
{
"license": "CC-BY-4.0",
"sources": [
{
"imported": "2025-11-20T23:04:00.273Z",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36423",
"modified": "2024-11-21T05:29:28.403Z",
"id": "CVE-2020-36423",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-36423",
"published": "2021-07-19T17:15:11.223Z"
}
]
}