{"id":"CVE-2024-5918","aliases":["EUVD-2024-47049","GHSA-xvx4-v362-295f"],"status":"published","title":"PAN-OS: Improper Certificate Validation Enables Impersonation of a Legitimate GlobalProtect User","description":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you \"Allow Authentication with User Credentials OR Client Certificate.\"","severity":{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00176,"percentile":0.07205,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295"],"published":"2024-11-14T09:38:29Z","modified":"2026-06-17T08:16:54Z","products":[{"vendor":"palo alto networks","product":"cloud ngfw"},{"vendor":"palo alto networks","product":"pan-os"},{"vendor":"palo alto networks","product":"prisma access"},{"vendor":"paloaltonetworks","product":"pan-os"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2024-5918","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-5918"},{"url":"https://github.com/advisories/GHSA-xvx4-v362-295f"}],"sources":{"cve":[{"id":"CVE-2024-5918","title":"PAN-OS: Improper Certificate Validation Enables Impersonation of a Legitimate GlobalProtect User","description":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you \"Allow Authentication with User Credentials OR Client Certificate.\"","status":"published","published":"2024-11-14T09:38:29.319Z","modified":"2024-11-14T19:35:53.159Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"medium","assessor":"cna"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:34:01.286506Z"}],"euvd":[{"id":"EUVD-2024-47049","description":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you \"Allow Authentication with User Credentials OR Client Certificate.\"","status":"published","published":"2024-11-14T09:38:29Z","modified":"2024-11-14T19:35:53Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/AU:N/R:A/V:C/RE:M/U:Amber","level":"medium"}],"updated_at":"2026-11-03T00:05:00.369745Z"}],"ghsa":[{"id":"GHSA-xvx4-v362-295f","title":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an...","description":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you \"Allow Authentication with User Credentials OR Client Certificate.\"","status":"published","published":"2024-11-14T12:31:01Z","modified":"2025-10-01T21:30:34Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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:N/R:A/V:C/RE:M/U:Amber","level":"medium"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T15:03:49.634332Z"}],"nvd":[{"id":"CVE-2024-5918","description":"An improper certificate validation vulnerability in Palo Alto Networks PAN-OS software enables an authorized user with a specially crafted client certificate to connect to an impacted GlobalProtect portal or GlobalProtect gateway as a different legitimate user. This attack is possible only if you \"Allow Authentication with User Credentials OR Client Certificate.\"","status":"published","published":"2024-11-14T10:15:08.813Z","modified":"2026-06-17T08:16:54.687Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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:N/R:A/V:C/RE:M/U:Amber","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:10:37.281254Z"}]}}