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Vulnerability record · CVE-2017-8390 · published 2 August 2017

CVE-2017-8390: Paloaltonetworks pan-os improper input validation vulnerability

Paloaltonetworks · Pan Os

The DNS Proxy in Palo Alto Networks PAN-OS before 6.1.18, 7.x before 7.0.16, 7.1.x before 7.1.11, and 8.x before 8.0.3 allows remote attackers to execute arbitrary code via a crafted domain name.

9.8 CVSS 3.0 Critical EPSS 6.1% · top 6.9% CWE-20 · Improper input validation
9.8CVSS 3.0 base score, v2 10.0
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The DNS Proxy in Palo Alto Networks PAN-OS before 6.1.18, 7.x before 7.0.16, 7.1.x before 7.1.11, and 8.x before 8.0.3 allows remote attackers to execute arbitrary code via a crafted domain name.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/99911 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038976 Third Party AdvisoryVDB Entry
https://security.paloaltonetworks.com/CVE-2017-8390
http://www.securityfocus.com/bid/99911 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038976 Third Party AdvisoryVDB Entry
https://security.paloaltonetworks.com/CVE-2017-8390

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2024-3400PAN-OS GlobalProtect command injection allows unauthenticated root code executionA command injection caused by arbitrary file creation in the GlobalProtect feature of Palo Alto Networks PAN-OS lets an unauthenticated attacker run …KEVEPSS 100%analysed10.0CVE-2020-2021PAN-OS SAML signature verification bypass allows authentication bypassPAN-OS fails to properly verify SAML signatures when SAML authentication is enabled and the 'Validate Identity Provider Certificate' option is unchec…KEVEPSS 4.4%analysed9.8CVE-2017-15944PAN-OS management interface input validation flaw allows remote code executionPAN-OS versions before 6.1.19, 7.0.x before 7.0.19, 7.1.x before 7.1.14, and 8.0.x before 8.0.6 contain an input validation and memory buffer overflo…KEVEPSS 98%analysed9.3CVE-2026-0300PAN-OS User-ID Authentication Portal buffer overflow allows root code executionA buffer overflow (out-of-bounds write, CWE-787) in the User-ID Authentication Portal (Captive Portal) service of Palo Alto Networks PAN-OS lets an u…KEVEPSS 32%analysed9.3CVE-2024-0012PAN-OS Management Web Interface Authentication BypassPAN-OS contains a missing authentication flaw (CWE-306) in the management web interface that lets an unauthenticated network attacker obtain PAN-OS a…KEVEPSS 100%analysed8.8CVE-2025-0108PAN-OS management web interface authentication bypassPAN-OS contains a missing-authentication flaw (CWE-306) in the management web interface that lets an unauthenticated attacker with network access inv…KEVEPSS 98%analysed8.7CVE-2024-3393PAN-OS DNS Security packet causes firewall reboot and maintenance modeA denial of service flaw in the DNS Security feature of Palo Alto Networks PAN-OS lets an unauthenticated attacker send a crafted packet through the …KEVEPSS 28%analysed8.6CVE-2022-0028PAN-OS URL filtering misconfiguration enables reflected TCP DoSA PAN-OS URL filtering policy misconfiguration allows a network-based attacker to use PA-Series, VM-Series and CN-Series firewalls to conduct reflect…KEVEPSS 2.4%analysed

Source: NIST National Vulnerability Database (record CVE-2017-8390), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.