{"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: Denial of Service (DoS) Vulnerabilities in Network Services"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0321","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-10-15T18:34:05.094Z","generator":{"date":"2026-10-15T18:34:05.094Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0321","initial_release_date":"2026-10-14T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-10-14T09:00:00.000Z","summary":"Initial Publication"},{"number":"2","date":"2026-10-15T11:30:00.000Z","summary":"11.2.16 has been published. "}],"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>=12.2.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-875"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.2.4","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-902"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-724"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.10-h2","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-903"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.7-h8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-908"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.4-h12","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-907"}},{"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>=11.2.16","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-906"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.13-h3","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-912"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.10-h15","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-911"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.7-h21","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-910"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.4-h22","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-909"}},{"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>=11.1.16-h3","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-905"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.13-h15","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-917"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.10-h35","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-916"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.7-h11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-915"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.6-h39","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-914"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.4-h37","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-913"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-579"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.18-h12","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-918"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.16-h11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-919"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.13-h26","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-923"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.10-h41","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-921"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.7-h38","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-922"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Prisma Access>=12.1.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-58"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=12.1.7-h8","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-65"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-57"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.7-h21","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-66"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.0","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-45"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.10-h41","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-67"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0321","product_status":{"fixed":["PANW-PAN-OS-902","PANW-PAN-OS-903","PANW-PAN-OS-908","PANW-PAN-OS-907","PANW-PAN-OS-906","PANW-PAN-OS-912","PANW-PAN-OS-911","PANW-PAN-OS-910","PANW-PAN-OS-909","PANW-PAN-OS-905","PANW-PAN-OS-917","PANW-PAN-OS-916","PANW-PAN-OS-915","PANW-PAN-OS-914","PANW-PAN-OS-913","PANW-PAN-OS-918","PANW-PAN-OS-919","PANW-PAN-OS-923","PANW-PAN-OS-921","PANW-PAN-OS-922","PANW-Prisma-Access-65","PANW-Prisma-Access-66","PANW-Prisma-Access-67"],"known_affected":["PANW-PAN-OS-875","PANW-PAN-OS-724","PANW-PAN-OS-119","PANW-PAN-OS-120","PANW-PAN-OS-579","PANW-Prisma-Access-58","PANW-Prisma-Access-57","PANW-Prisma-Access-45"],"known_not_affected":["PANW-Cloud-NGFW-1"]},"notes":[{"category":"description","text":"Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.\n\nCloud NGFW and Panorama are not affected by this vulnerability.\n\n"}],"references":[{"category":"external","summary":"NVD - CVE-2026-0321","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0321"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0321","url":"https://security.paloaltonetworks.com/CVE-2026-0321"}],"threats":[{"category":"impact","description":"Denial of service vulnerabilities in Palo Alto Networks PAN-OS® software allow an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface. Repeated attempts to trigger this condition result in the firewall entering maintenance mode.\n\nCloud NGFW and Panorama are not affected by this vulnerability.\n\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":"DIFFUSE","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:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-875","PANW-PAN-OS-724","PANW-PAN-OS-119","PANW-PAN-OS-120","PANW-PAN-OS-579","PANW-Prisma-Access-58","PANW-Prisma-Access-57","PANW-Prisma-Access-45"]}]}]}