{"id":"CVE-2026-0321","title":"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 data…","summary":"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 data…","severity":"medium","cwe":["CWE-754"],"published":"2026-10-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T20:17:26.887","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-0321","references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0321","label":"psirt@paloaltonetworks.com"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-10-14T20:53:12.374Z","vendor":"Palo Alto Networks","product":"Cloud NGFW","affected":["cloud_ngfw","PAN-OS >= 12.2.0 < 12.2.4","PAN-OS >= 12.1.0 < 12.1.10-h2","PAN-OS >= 11.2.0 < 11.2.16","PAN-OS >= 11.1.0 < 11.1.16-h3","PAN-OS >= 10.2.0 < 10.2.18-h12","prisma_access >= 12.1.0 < 12.1.7-h8","prisma_access >= 11.2.0 < 11.2.7-h21","prisma_access >= 10.2.0 < 10.2.10-h41"],"cvss":6.6,"cvssVector":"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","cvssSource":"cna","slug":"CVE-2026-0321","body":"## Overview\n\nDenial 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\n\n\nCloud NGFW and Panorama are not affected by this vulnerability.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":36.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":221910,"id":"CVE-2026-0321","ts":1792035905244,"field":"cvss","old":null,"new":"6.6"},{"seq":221909,"id":"CVE-2026-0321","ts":1792035905244,"field":"severity","old":"none","new":"medium"}]}