{"id":"CVE-2024-2550","aliases":["EUVD-2024-27499","GHSA-q527-gcw3-86jr"],"status":"published","title":"PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway Using a Specially Crafted Packet","description":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00511,"percentile":0.43856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2024-11-14T09:40:38Z","modified":"2026-06-17T07:24:45Z","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-2024-2550","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-2550"},{"url":"https://github.com/advisories/GHSA-q527-gcw3-86jr"}],"sources":{"cve":[{"id":"CVE-2024-2550","title":"PAN-OS: Firewall Denial of Service (DoS) in GlobalProtect Gateway Using a Specially Crafted Packet","description":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.","status":"published","published":"2024-11-14T09:40:38.838Z","modified":"2024-11-14T14:11:24.889Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:34:09.540667Z"}],"euvd":[{"id":"EUVD-2024-27499","description":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.","status":"published","published":"2024-11-14T09:40:38Z","modified":"2024-11-14T14:11:24Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/AU:N/R:U/V:C/RE:M/U:Amber","level":"high"}],"updated_at":"2026-11-03T00:05:00.76838Z"}],"ghsa":[{"id":"GHSA-q527-gcw3-86jr","title":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN...","description":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.","status":"published","published":"2024-11-14T12:31:00Z","modified":"2025-01-24T18:32:18Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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:U/V:C/RE:M/U:Amber","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:59:40.658623Z"}],"nvd":[{"id":"CVE-2024-2550","description":"A null pointer dereference vulnerability in the GlobalProtect gateway in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop the GlobalProtect service on the firewall by sending a specially crafted packet that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.","status":"published","published":"2024-11-14T10:15:04.137Z","modified":"2026-06-17T07:24:45.433Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/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:U/V:C/RE:M/U:Amber","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:10:37.281254Z"}]}}
