{"id":"CVE-2024-55599","title":"An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all …","summary":"An Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all …","severity":"medium","cvss":4.9,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:X/RC:X","cvssSource":"cna","cwe":["CWE-358"],"vendor":"Fortinet","product":"FortiOS","affected":["FortiOS 7.6.0","FortiOS >= 7.4.0 <= 7.4.7","FortiOS >= 7.2.0 <= 7.2.10","FortiOS >= 7.0.0 <= 7.0.17","FortiOS >= 6.4.0 <= 6.4.16","FortiProxy >= 7.6.0 <= 7.6.1","FortiProxy >= 7.4.0 <= 7.4.8","FortiProxy >= 7.2.0 <= 7.2.14","FortiProxy >= 7.0.0 <= 7.0.21"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-07-08T20:41:00.982835Z"},"published":"2025-07-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T00:59:12.815Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-55599","references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-24-053","label":"https://fortiguard.fortinet.com/psirt/FG-IR-24-053"}],"tags":["cve.org"],"epss":0.00399,"epssPercentile":0.34017,"ingestedAt":"2026-10-15T04:46:37.342Z","slug":"CVE-2024-55599","body":"## Overview\n\nAn Improperly Implemented Security Check for Standard vulnerability [CWE-358] in FortiOS version 7.6.0, version 7.4.7 and below, 7.0 all versions, 6.4 all versions and FortiProxy version 7.6.1 and below, version 7.4.8 and below, 7.2 all versions, 7.0 all versions may allow a remote unauthenticated user to bypass the DNS filter via Apple devices.\n\n## Affected\n\n- `FortiOS 7.6.0`\n- `FortiOS >= 7.4.0 <= 7.4.7`\n- `FortiOS >= 7.2.0 <= 7.2.10`\n- `FortiOS >= 7.0.0 <= 7.0.17`\n- `FortiOS >= 6.4.0 <= 6.4.16`\n- `FortiProxy >= 7.6.0 <= 7.6.1`\n- `FortiProxy >= 7.4.0 <= 7.4.8`\n- `FortiProxy >= 7.2.0 <= 7.2.14`\n- `FortiProxy >= 7.0.0 <= 7.0.21`\n\n## Remediation\n\nPlease upgrade to FortiOS version 7.6.1 or above \nPlease upgrade to FortiOS version 7.4.8 or above \nPlease upgrade to FortiOS version 7.2.11 or above \nPlease upgrade to FortiProxy version 7.6.2 or above \nPlease upgrade to FortiProxy version 7.4.9 or above \nPlease upgrade to FortiSASE version 24.4.b or above","depth":"sunlit","depthScore":27,"depthScoreParts":{"impact":27,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}