An issue was discovered in Arm Mbed TLS before 2.24.0. It incorrectly uses a revocationDate check when deciding whether to honor certificate revocation via a CRL. In some situations, an attacker can exploit this by changing the local clock.
{
"sources": [
{
"imported": "2026-07-17T20:45:05.022Z",
"published": "2021-07-19T17:15:11.327Z",
"database_specific": {
"status": "Modified"
},
"modified": "2026-06-17T03:15:27.823Z",
"id": "CVE-2020-36425",
"html_url": "https://nvd.nist.gov/vuln/detail/CVE-2020-36425",
"url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2020-36425"
}
],
"license": "CC-BY-4.0"
}