{"id":"CVE-2023-22640","title":"A out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, FortiPro…","summary":"A out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, FortiPro…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:U/RC:C","cvssSource":"cna","cwe":["CWE-787"],"vendor":"Fortinet","product":"FortiOS","affected":["FortiOS >= 7.2.0 <= 7.2.3","FortiOS >= 7.0.0 <= 7.0.10","FortiOS >= 6.4.0 <= 6.4.11","FortiOS >= 6.2.0 <= 6.2.13","FortiOS >= 6.0.0 <= 6.0.16","FortiProxy >= 7.2.0 <= 7.2.1","FortiProxy >= 7.0.0 <= 7.0.7","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":"total","timestamp":"2024-10-23T14:11:09.946619Z"},"published":"2023-05-03","updated":"2026-10-22","sourceUpdated":"2026-10-22T13:48:27.389Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-22640","references":[{"url":"https://fortiguard.com/psirt/FG-IR-22-475","label":"https://fortiguard.com/psirt/FG-IR-22-475"}],"tags":["cve.org"],"epss":0.0089,"epssPercentile":0.59186,"ingestedAt":"2026-10-22T22:00:50.272Z","slug":"CVE-2023-22640","body":"## Overview\n\nA out-of-bounds write vulnerability in Fortinet FortiOS 7.2.0 through 7.2.3, FortiOS 7.0.0 through 7.0.10, FortiOS 6.4.0 through 6.4.11, FortiOS 6.2.0 through 6.2.13, FortiOS 6.0.0 through 6.0.16, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, 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 an authenticated attacker to execute unauthorized code or commands via specifically crafted requests.\n\n## Affected\n\n- `FortiOS >= 7.2.0 <= 7.2.3`\n- `FortiOS >= 7.0.0 <= 7.0.10`\n- `FortiOS >= 6.4.0 <= 6.4.11`\n- `FortiOS >= 6.2.0 <= 6.2.13`\n- `FortiOS >= 6.0.0 <= 6.0.16`\n- `FortiProxy >= 7.2.0 <= 7.2.1`\n- `FortiProxy >= 7.0.0 <= 7.0.7`\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 7.2.2 or above\nUpgrade to FortiProxy version 7.0.8 or above\nUpgrade to FortiOS version 7.4.0 or above\nUpgrade to FortiOS version 7.2.5 or above\nUpgrade to FortiOS version 7.2.4 or above\nUpgrade to FortiOS version 7.0.11 or above\nUpgrade to FortiOS version 6.4.12 or above\nUpgrade to FortiOS version 6.2.14 or above\nUpgrade to FortiOS version 6.0.17 or above","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}