{"id":"CVE-2022-42472","title":"A improper neutralization of crlf sequences in http headers ('http response splitting') vulnerability in Fortinet FortiOS 7.2.0 through 7.2.2, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2 all versions, FortiOS 6…","summary":"A improper neutralization of crlf sequences in http headers ('http response splitting') vulnerability in Fortinet FortiOS 7.2.0 through 7.2.2, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2 all versions, FortiOS 6…","severity":"medium","cvss":4,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C","cvssSource":"cna","cwe":["CWE-113"],"vendor":"Fortinet","product":"FortiProxy","affected":["FortiProxy >= 7.2.0 <= 7.2.1","FortiProxy >= 7.0.0 <= 7.0.7","FortiProxy >= 2.0.0 <= 2.0.10","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","FortiOS >= 7.2.0 <= 7.2.2","FortiOS >= 7.0.0 <= 7.0.8","FortiOS >= 6.4.0 <= 6.4.12","FortiOS >= 6.2.0 <= 6.2.17","FortiOS >= 6.0.0 <= 6.0.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2024-10-22T20:18:31.990875Z"},"published":"2023-02-16","updated":"2026-10-22","sourceUpdated":"2026-10-22T13:48:25.665Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2022-42472","references":[{"url":"https://fortiguard.com/psirt/FG-IR-22-362","label":"https://fortiguard.com/psirt/FG-IR-22-362"}],"tags":["cve.org"],"epss":0.00464,"epssPercentile":0.40025,"ingestedAt":"2026-10-22T22:00:50.271Z","slug":"CVE-2022-42472","body":"## Overview\n\nA improper neutralization of crlf sequences in http headers ('http response splitting') vulnerability in Fortinet FortiOS 7.2.0 through 7.2.2, FortiOS 7.0.0 through 7.0.8, FortiOS 6.4.0 through 6.4.12, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.1, FortiProxy 7.0.0 through 7.0.7, FortiProxy 2.0.0 through 2.0.10, FortiProxy 1.2 all versions, FortiProxy 01.02 all versions, FortiProxy 1.1 all versions, FortiProxy 01.01 all versions may allow an authenticated and remote attacker to perform an HTTP request splitting attack which gives attackers control of the remaining headers and body of the response.\n\n## Affected\n\n- `FortiProxy >= 7.2.0 <= 7.2.1`\n- `FortiProxy >= 7.0.0 <= 7.0.7`\n- `FortiProxy >= 2.0.0 <= 2.0.10`\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- `FortiOS >= 7.2.0 <= 7.2.2`\n- `FortiOS >= 7.0.0 <= 7.0.8`\n- `FortiOS >= 6.4.0 <= 6.4.12`\n- `FortiOS >= 6.2.0 <= 6.2.17`\n- `FortiOS >= 6.0.0 <= 6.0.18`\n\n## Remediation\n\nUpgrade to FortiProxy version 7.2.2 or above\nUpgrade to FortiProxy version 7.0.8 or above\nUpgrade to FortiProxy version 2.0.11 or above\nUpgrade to FortiOS version 7.2.3 or above\nUpgrade to FortiOS version 7.0.9 or above\nUpgrade to FortiOS version 6.4.13 or above","depth":"sunlit","depthScore":22,"depthScoreParts":{"impact":22,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}