{"id":"CVE-2023-36641","title":"A numeric truncation error vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.4, …","summary":"A numeric truncation error vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.4, …","severity":"medium","cvss":6.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:P/RL:U/RC:C","cvssSource":"cna","cwe":["CWE-197"],"vendor":"Fortinet","product":"FortiOS","affected":["FortiOS 7.4.0","FortiOS >= 7.2.0 <= 7.2.5","FortiOS >= 7.0.0 <= 7.0.12","FortiOS >= 6.4.0 <= 6.4.16","FortiOS >= 6.2.0 <= 6.2.17","FortiOS >= 6.0.0 <= 6.0.18","FortiProxy >= 7.2.0 <= 7.2.4","FortiProxy >= 7.0.0 <= 7.0.10","FortiProxy >= 2.0.0 <= 2.0.14","FortiProxy >= 1.2.1 <= 1.2.13","FortiProxy 01.02.00","FortiProxy >= 1.1.4 <= 1.1.6","FortiProxy >= 01.01.00 <= 01.01.03","FortiProxy >= 01.00.00 <= 01.00.07"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-08-30T18:21:33.734110Z"},"published":"2023-11-14","updated":"2026-10-22","sourceUpdated":"2026-10-22T13:48:28.830Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-36641","references":[{"url":"https://fortiguard.com/psirt/FG-IR-23-151","label":"https://fortiguard.com/psirt/FG-IR-23-151"}],"tags":["cve.org"],"epss":0.01269,"epssPercentile":0.69579,"ingestedAt":"2026-10-22T22:00:50.273Z","slug":"CVE-2023-36641","body":"## Overview\n\nA numeric truncation error vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.4, FortiProxy 7.0.0 through 7.0.10, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiProxy 01.00 all versions allows attacker to denial of service via specifically crafted HTTP requests.\n\n## Affected\n\n- `FortiOS 7.4.0`\n- `FortiOS >= 7.2.0 <= 7.2.5`\n- `FortiOS >= 7.0.0 <= 7.0.12`\n- `FortiOS >= 6.4.0 <= 6.4.16`\n- `FortiOS >= 6.2.0 <= 6.2.17`\n- `FortiOS >= 6.0.0 <= 6.0.18`\n- `FortiProxy >= 7.2.0 <= 7.2.4`\n- `FortiProxy >= 7.0.0 <= 7.0.10`\n- `FortiProxy >= 2.0.0 <= 2.0.14`\n- `FortiProxy >= 1.2.1 <= 1.2.13`\n- `FortiProxy 01.02.00`\n- `FortiProxy >= 1.1.4 <= 1.1.6`\n- `FortiProxy >= 01.01.00 <= 01.01.03`\n- `FortiProxy >= 01.00.00 <= 01.00.07`\n\n## Remediation\n\nUpgrade to FortiProxy version 7.2.5 or above\nUpgrade to FortiProxy version 7.0.11 or above\nUpgrade to FortiOS version 7.4.1 or above\nUpgrade to FortiOS version 7.2.6 or above\nUpgrade to FortiOS version 7.0.13 or above","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":34.1,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}