{"id":"CVE-2026-0243","aliases":["EUVD-2026-30135","GHSA-j263-ghj6-w2q7"],"status":"published","title":"Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet","description":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.","severity":{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00173,"percentile":0.06759,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-606"],"published":"2026-05-13T19:10:53Z","modified":"2026-10-26T00:10:00Z","products":[{"vendor":"palo alto networks","product":"prisma sd-wan ion"},{"vendor":"paloaltonetworks","product":"prisma_sd-wan"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0243","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0243"},{"url":"https://github.com/advisories/GHSA-j263-ghj6-w2q7"}],"sources":{"cve":[{"id":"CVE-2026-0243","title":"Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet","description":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.","status":"published","published":"2026-05-13T19:10:53.743Z","modified":"2026-05-14T10:48:23.055Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"cna"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T14:20:13.587351Z"}],"euvd":[{"id":"EUVD-2026-30135","description":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.","status":"published","published":"2026-05-13T19:10:53Z","modified":"2026-05-14T10:48:23Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/AU:Y/R:U/V:D/RE:M/U:Amber","level":"medium"}],"updated_at":"2026-11-02T19:04:31.58892Z"}],"ghsa":[{"id":"GHSA-j263-ghj6-w2q7","title":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables...","description":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.","status":"published","published":"2026-05-13T21:32:06Z","modified":"2026-07-14T18:31:46Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/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:Y/R:U/V:D/RE:M/U:Amber","level":"medium"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T15:09:27.635559Z"}],"nvd":[{"id":"CVE-2026-0243","description":"A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.","status":"published","published":"2026-05-13T20:16:18.043Z","modified":"2026-10-26T00:10:00.15Z","cvss":[{"version":"4.0","score":4.9,"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/E:U/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:Y/R:U/V:D/RE:M/U:Amber","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-606"],"updated_at":"2026-11-02T14:12:19.020465Z"}]}}