{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Firewall Denial of Service (DoS) Using a Specially Crafted Packet"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2024-2551","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-03-11T22:25:34.537Z","generator":{"date":"2026-03-11T22:25:34.537Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2024-2551","initial_release_date":"2024-11-13T18:00:00.000Z","revision_history":[{"number":"1","date":"2024-11-13T09:00:00.000Z","summary":"Initial publication"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cloud NGFW","category":"product_name","branches":[{"category":"product_version","name":"Cloud NGFW All","product":{"name":"Palo Alto Networks Cloud NGFW","product_id":"PANW-Cloud-NGFW-1"}}]},{"name":"PAN-OS","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-119"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-120"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.0.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-124"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.0.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-124"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.2.4-h6","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-125"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.4-h6","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-125"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-126"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.1.14","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-127"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.1.14","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-127"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version","name":"Prisma Access All","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-1"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2024-2551","product_status":{"fixed":["PANW-PAN-OS-124","PANW-PAN-OS-125","PANW-PAN-OS-126","PANW-PAN-OS-127"],"known_affected":["PANW-PAN-OS-124","PANW-PAN-OS-125","PANW-PAN-OS-127"],"known_not_affected":["PANW-Cloud-NGFW-1","PANW-PAN-OS-119","PANW-PAN-OS-120","PANW-Prisma-Access-1"]},"notes":[{"category":"description","text":"A null pointer dereference vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop a core system service on the firewall by sending a crafted packet through the data plane that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.\n"}],"references":[{"category":"external","summary":"NVD - CVE-2024-2551","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-2551"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2024-2551","url":"https://security.paloaltonetworks.com/CVE-2024-2551"}],"threats":[{"category":"impact","description":"A null pointer dereference vulnerability in Palo Alto Networks PAN-OS software enables an unauthenticated attacker to stop a core system service on the firewall by sending a crafted packet through the data plane that causes a denial of service (DoS) condition. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.\n"}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"CONCENTRATED","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"HIGH","baseScore":8.7,"threatSeverity":"MEDIUM","threatScore":6.6,"vectorString":"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:U/AU:N/R:U/V:C/RE:M/U:Amber"},"products":["PANW-PAN-OS-124","PANW-PAN-OS-125","PANW-PAN-OS-127"]}]}]}