{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0243", "assignerOrgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "state": "PUBLISHED", "assignerShortName": "palo_alto", "dateReserved": "2025-11-03T20:44:03.984Z", "datePublished": "2026-05-13T19:10:53.743Z", "dateUpdated": "2026-05-13T19:10:53.743Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "d6c1279f-00f6-4ef7-9217-f89ffe703ec0", "shortName": "palo_alto", "dateUpdated": "2026-05-13T19:10:53.743Z"}, "title": "Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet", "datePublic": "2026-05-13T16:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-606", "description": "CWE-606 Unchecked Input for Loop Condition", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-130", "descriptions": [{"lang": "en", "value": "CAPEC-130 Excessive Allocation"}]}], "affected": [{"vendor": "Palo Alto Networks", "product": "Prisma SD-WAN ION", "versions": 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true}, {"criteria": "cpe:2.3:h:palo_alto_networks:prisma_sd-wan_ion:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.3.6-b10", "versionStartIncluding": "6.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>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.</p>"}]}], "references": [{"url": "https://security.paloaltonetworks.com/CVE-2026-0243", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", 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(https://docs.paloaltonetworks.com/prisma-sd-wan/administration/prisma-sd-wan-sites-and-devices/prisma-sd-wan-ports-and-interfaces/configure-internet-ports) on the SD-WAN ION device.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>IPv6 must be <a href=\"https://docs.paloaltonetworks.com/prisma-sd-wan/administration/prisma-sd-wan-sites-and-devices/prisma-sd-wan-ports-and-interfaces/configure-internet-ports\">enabled</a> on the SD-WAN ION device.</p>"}]}], "solutions": [{"lang": "eng", "value": "Version Minor Version Suggested Solution\nPrisma SD-WAN ION 6.5 6.5.1 through 6.5.3 Upgrade to 6.5.3-b15 or later.\nPrisma SD-WAN ION 6.4 6.4.1 through 6.4.3 Upgrade to 6.4.3-b8 or later.\nPrisma SD-WAN ION 6.3 6.3.1 through 6.3.6 Upgrade to 6.3.6-b10 or later.\nPrisma SD-WAN ION 6.1 No action needed.\nPrisma SD-WAN ION 5.6 No action needed.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<table><tbody><tr><td>Version</td><td>Minor Version</td><td>Suggested Solution</td></tr><tr><td>Prisma SD-WAN ION 6.5</td><td>6.5.1 through 6.5.3</td><td>Upgrade to 6.5.3-b15 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.4</td><td>6.4.1 through 6.4.3</td><td>Upgrade to 6.4.3-b8 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.3</td><td>6.3.1 through 6.3.6</td><td>Upgrade to 6.3.6-b10 or later.</td></tr><tr><td>Prisma SD-WAN ION 6.1</td><td><br></td><td>No action needed.</td></tr><tr><td>Prisma SD-WAN ION 5.6</td><td><br></td><td>No action needed.</td></tr></tbody></table>"}]}], "exploits": [{"lang": "en", "value": "Palo Alto Networks is not aware of any malicious exploitation of this issue.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Palo Alto Networks is not aware of any malicious exploitation of this issue.</p>"}]}], "timeline": [{"time": "2026-05-13T16:00:00.000Z", "lang": "en", "value": "Initial publication."}], "credits": [{"lang": "en", "value": "Palo Alto Networks thanks our internal security research teams for discovering and reporting this issue.", "type": "other"}], "source": {"discovery": "INTERNAL"}, "x_generator": {"engine": "Vulnogram 0.1.0-dev"}, "x_affectedList": ["Prisma SD-WAN ION 6.5.0", "Prisma SD-WAN ION 6.5.1", "Prisma SD-WAN ION 6.5.2", "Prisma SD-WAN ION 6.4.0", "Prisma SD-WAN ION 6.4.1", "Prisma SD-WAN ION 6.4.2", "Prisma SD-WAN ION 6.3.0", "Prisma SD-WAN ION 6.3.1", "Prisma SD-WAN ION 6.3.2", "Prisma SD-WAN ION 6.3.3", "Prisma SD-WAN ION 6.3.4", "Prisma SD-WAN ION 6.3.5"], "workarounds": [{"lang": "eng", "value": "Disable IPv6 on SD-WAN ION devices if not required.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>Disable IPv6 on SD-WAN ION devices if not required.</p><p><br></p>"}]}]}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-0243", "lastModified": "2026-05-13T20:16:18.043", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "YES", "Recovery": "USER", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.9, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "AMBER", "subAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "DIFFUSE", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "MODERATE"}, "source": "psirt@paloaltonetworks.com", "type": "Secondary"}]}, "published": "2026-05-13T20:16:18.043", "references": [{"source": "psirt@paloaltonetworks.com", "url": "https://security.paloaltonetworks.com/CVE-2026-0243"}], "sourceIdentifier": "psirt@paloaltonetworks.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-606"}], "source": "psirt@paloaltonetworks.com", "type": "Secondary"}]}

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