{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.20"
              }
            ],
            "source": "DESCRIPTION"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8e74d47616a20eaa23ca692f4bbbf917a236ed94"
            }
          ],
          "repo": "https://github.com/op-tee/optee_os",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-r64m-h886-hw6g"
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47549.json"
  },
  "details": "An unprotected memory-access operation in optee_os in TrustedFirmware Open Portable Trusted Execution Environment (OP-TEE) before 3.20 allows a physically proximate adversary to bypass signature verification and install malicious trusted applications via electromagnetic fault injections.",
  "id": "CVE-2022-47549",
  "modified": "2026-07-08T05:36:18.381768917Z",
  "published": "2022-12-19T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://people.linaro.org/~joakim.bech/reports/Breaking_cross-world_isolation_on_ARM_TrustZone_through_EM_faults_coredumps_and_UUID_confusion.pdf"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/47xxx/CVE-2022-47549.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-r64m-h886-hw6g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-47549"
    }
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}