{"id":"CVE-2022-42471","aliases":["EUVD-2022-45541","GHSA-g39q-wwrq-p5cv"],"status":"published","title":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting')...","description":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:U/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00494,"percentile":0.42757,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-113","CWE-74"],"published":"2023-01-03T16:58:16Z","modified":"2026-06-17T05:04:59Z","products":[{"vendor":"fortinet","product":"fortiweb"}],"references":[{"url":"https://fortiguard.com/psirt/FG-IR-22-250","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42471"},{"url":"https://github.com/advisories/GHSA-g39q-wwrq-p5cv"}],"sources":{"cve":[{"id":"CVE-2022-42471","description":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.","status":"published","published":"2023-01-03T16:58:16.051Z","modified":"2024-10-22T20:51:05.46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:U/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-113"],"updated_at":"2026-11-02T14:34:27.640972Z"}],"euvd":[{"id":"EUVD-2022-45541","description":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.","status":"published","published":"2023-01-03T16:58:16Z","modified":"2024-10-22T20:51:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:F/RL:U/RC:C","level":"medium"}],"updated_at":"2026-11-03T00:05:21.823373Z"}],"ghsa":[{"id":"GHSA-g39q-wwrq-p5cv","title":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting')...","description":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.","status":"published","published":"2023-01-03T18:30:25Z","modified":"2023-02-02T05:01:20Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T14:51:09.730353Z"}],"nvd":[{"id":"CVE-2022-42471","description":"An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.","status":"published","published":"2023-01-03T17:15:10.533Z","modified":"2026-06-17T05:04:59.147Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-113","CWE-74"],"updated_at":"2026-11-02T14:07:34.758863Z"}]}}