{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "3f8d78411a26e833db18d9fbde0e2f0baeda87f0"
            },
            {
              "fixed": "523f0554b6cdc7ace5d360885c3f5bbcc73ec0e8"
            },
            {
              "introduced": "8be0e6db41b4a085e90cb03983f99d3a5158d450"
            },
            {
              "fixed": "848a4e06b375e067552f1a21d4bc69322c673217"
            }
          ],
          "repo": "https://github.com/armmbed/mbedtls",
          "type": "GIT"
        }
      ]
    },
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "523f0554b6cdc7ace5d360885c3f5bbcc73ec0e8"
            },
            {
              "introduced": "0"
            },
            {
              "fixed": "7cd4d2dadb5fdc8410ee667f062646bd28f37e62"
            },
            {
              "introduced": "0"
            },
            {
              "fixed": "848a4e06b375e067552f1a21d4bc69322c673217"
            }
          ],
          "repo": "https://github.com/mbed-tls/mbedtls",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "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.",
  "id": "CVE-2020-36425",
  "modified": "2026-03-04T23:34:29.480775427Z",
  "published": "2021-07-19T17:15:11.327Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://bugs.gentoo.org/740108"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ARMmbed/mbedtls/issues/3340"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ARMmbed/mbedtls/pull/3433"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.gentoo.org/740108"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/ARMmbed/mbedtls/issues/3340"
    },
    {
      "type": "FIX",
      "url": "https://bugs.gentoo.org/740108"
    },
    {
      "type": "ARTICLE",
      "url": "https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/ARMmbed/mbedtls/issues/3340"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}