{"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: Improper Validation of Terminal Server Agent Certificate"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0228","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-04-11T00:24:42.978Z","generator":{"date":"2026-04-11T00:24:42.978Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0228","initial_release_date":"2026-02-11T17:00:00.000Z","revision_history":[{"number":"1","date":"2026-02-11T09:00:00.000Z","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>=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<11.2.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-685"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.8","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-685"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-686"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-686"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<10.2.17","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-687"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.17","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-687"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/Prisma Access<10.2.10-h28","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-47"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=11.2.7-h10","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-46"}},{"category":"product_version_range","name":"vers:generic/Prisma Access>=10.2.10-h28","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-47"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0228","product_status":{"fixed":["PANW-PAN-OS-685","PANW-PAN-OS-686","PANW-PAN-OS-687","PANW-Prisma-Access-46","PANW-Prisma-Access-47"],"known_affected":["PANW-PAN-OS-685","PANW-PAN-OS-686","PANW-PAN-OS-687","PANW-Prisma-Access-47"],"known_not_affected":["PANW-Cloud-NGFW-1","PANW-PAN-OS-724"]},"notes":[{"category":"description","text":"An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even if the PAN-OS configuration would not normally permit them to do so."}],"references":[{"category":"external","summary":"NVD - CVE-2026-0228","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0228"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0228","url":"https://security.paloaltonetworks.com/CVE-2026-0228"}],"threats":[{"category":"impact","description":"An improper certificate validation vulnerability in PAN-OS allows users to connect Terminal Server Agents on Windows to PAN-OS using expired certificates even if the PAN-OS configuration would not normally permit them to do so."}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":5.3,"threatSeverity":"LOW","threatScore":1.3,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-685","PANW-PAN-OS-686","PANW-PAN-OS-687","PANW-Prisma-Access-47"]}]}]}