{
  "cvss": 5.5,
  "datePublished": "2021-11-03",
  "dateUpdated": "2021-11-03",
  "description": "Arm Trusted Firmware contains an out-of-bounds write vulnerability allowing the non-secure (NS) world to trigger a system halt, overwrite secure data, or print out secure data when calling secure functions under the non-secure processing environment (NSPE) handler mode. This vulnerability affects Yealink Device Management servers.",
  "dueDate": "2021-11-17",
  "id": "CVE-2021-27562",
  "kev_catalogs": [
    "cisa"
  ],
  "knownRansomwareCampaignUse": "Unknown",
  "notes": "https://nvd.nist.gov/vuln/detail/CVE-2021-27562",
  "product": "Trusted Firmware",
  "requiredAction": "Apply updates per vendor instructions.",
  "severity": "MEDIUM",
  "source": "cisa_known_exploited",
  "title": "Arm Trusted Firmware Out-of-Bounds Write Vulnerability",
  "vendor": "Arm"
}