{"cve":"CVE-2020-36425","nvd":{"published":"2021-07-19T17:15:11.327","modified":"2026-06-17T03:15:27.823","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-295"],"references":["https://bugs.gentoo.org/740108","https://github.com/ARMmbed/mbedtls/issues/3340","https://github.com/ARMmbed/mbedtls/pull/3433","https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8","https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"],"products":["arm:mbed_tls","debian:debian_linux"],"source":"nvd","synced_at":"2026-10-19T21:21:13.713336758+00:00"},"epss":{"cve":"CVE-2020-36425","score":0.00973,"percentile":0.62033,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}