{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"Vulnerability in the PAN-OS DNS Proxy"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2017-8390","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-03-06T01:58:44.400Z","generator":{"date":"2026-03-06T01:58:44.400Z","engine":{"name":"Vulnogram","version":"0.0.9"}},"id":"CVE-2017-8390","initial_release_date":"2017-07-20T20:10:04.000Z","revision_history":[{"number":"1","date":"2026-03-05T17:58:44.000Z","summary":"Initial release"}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[]}]},"vulnerabilities":[{"cve":"CVE-2017-8390","product_status":{"fixed":["PANW-PAN-OS-397","PANW-PAN-OS-410","PANW-PAN-OS-419","PANW-PAN-OS-414"],"known_affected":["PANW-PAN-OS-409","PANW-PAN-OS-417","PANW-PAN-OS-418","PANW-PAN-OS-413"]},"notes":[{"category":"description","text":"A Remote Code Execution vulnerability exists in the PAN-OS DNS Proxy. This issue affects customers who have DNS Proxy enabled in PAN-OS. This issue affects both the Data and Management planes of the firewall. When DNS Proxy processes a specially crafted fully qualified domain names (FQDN), it is possible to execute code on the firewall. (ref # PAN-77516 / CVE-2017-8390).\nSuccessful exploitation of this issue could allow an attacker to execute code on the firewall.\nThis issue affects PAN-OS 6.1.17 and earlier, PAN-OS 7.0.15 and earlier, PAN-OS 7.1.9 and earlier, PAN-OS 8.0.2 and earlier"}],"references":[{"category":"external","summary":"NVD - CVE-2017-8390","url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8390"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2017-8390","url":"https://security.paloaltonetworks.com/CVE-2017-8390"}],"threats":[{"category":"impact","description":"A Remote Code Execution vulnerability exists in the PAN-OS DNS Proxy. This issue affects customers who have DNS Proxy enabled in PAN-OS. This issue affects both the Data and Management planes of the firewall. When DNS Proxy processes a specially crafted fully qualified domain names (FQDN), it is possible to execute code on the firewall. (ref # PAN-77516 / CVE-2017-8390).\nSuccessful exploitation of this issue could allow an attacker to execute code on the firewall.\nThis issue affects PAN-OS 6.1.17 and earlier, PAN-OS 7.0.15 and earlier, PAN-OS 7.1.9 and earlier, PAN-OS 8.0.2 and earlier"}],"scores":[{"cvss_v3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"products":["PANW-PAN-OS-409","PANW-PAN-OS-417","PANW-PAN-OS-418","PANW-PAN-OS-413"]}]}]}