{"id":"CVE-2024-43683","aliases":["EUVD-2024-40419","GHSA-x22r-xgr5-23hh"],"status":"published","title":"Improper verification of the Host header in TimeProvider 4100","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00226,"percentile":0.13451,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2024-10-04T19:56:15Z","modified":"2026-06-17T07:51:31Z","products":[{"vendor":"microchip","product":"timeprovider 4100"},{"vendor":"microchip","product":"timeprovider_4100_firmware"}],"references":[{"url":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/timeprovider-4100-grandmaster-improper-verification-of-host-header","tags":["vendor-advisory"]},{"url":"https://www.gruppotim.it/it/footer/red-team.html","tags":["third-party-advisory","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43683"},{"url":"https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities"},{"url":"https://github.com/advisories/GHSA-x22r-xgr5-23hh"}],"sources":{"cve":[{"id":"CVE-2024-43683","title":"Improper verification of the Host header in TimeProvider 4100","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.","status":"published","published":"2024-10-04T19:56:15.872Z","modified":"2024-11-01T15:59:19.229Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:33:58.357949Z"}],"euvd":[{"id":"EUVD-2024-40419","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.","status":"published","published":"2024-10-04T19:56:15Z","modified":"2024-11-01T15:59:19Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/R:U/V:C/RE:M/U:Amber","level":"high"}],"updated_at":"2026-11-03T00:05:12.615767Z"}],"ghsa":[{"id":"GHSA-x22r-xgr5-23hh","title":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100...","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.","status":"published","published":"2024-10-04T21:31:29Z","modified":"2024-11-01T18:32:30Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:C/RE:M/U:Amber","level":"high"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:58:42.001404Z"}],"nvd":[{"id":"CVE-2024-43683","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Microchip TimeProvider 4100 allows XSS Through HTTP Headers.This issue affects TimeProvider 4100: from 1.0.","status":"published","published":"2024-10-04T20:15:06.513Z","modified":"2026-06-17T07:51:31.707Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:10:30.673028Z"}]}}