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CVE-2024-3393

🔥 Known Exploited (CISA KEV)HIGH
8.7
CVSS Severity Score
EPSS Score0.0000%
EPSS Percentile0.00th
Published2024-12-27
Last Modified2026-06-17
Data SourcesNVDCISA KEV

Vulnerability Description

A Denial of Service vulnerability in the DNS Security feature of Palo Alto Networks PAN-OS software allows an unauthenticated attacker to send a malicious packet through the data plane of the firewall that reboots the firewall. Repeated attempts to trigger this condition will cause the firewall to enter maintenance mode.

Affected Platforms (CPE)

💻
Paloaltonetworks

Pan Os

>= 11.1.0 and <= 11.1.1>= 11.2.0 and < 11.2.3= 10.1.14= 10.2.8= 10.2.9= 10.2.10= 10.2.11= 10.2.12= 10.2.13= 11.1.2= 11.1.3= 11.1.4
📦
Paloaltonetworks

Prisma Access

All versions

References & Advisories

🔗 https://security.paloaltonetworks.com/CVE-2024-3393
🔗 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-3393

Related Security Intelligence Articles

Weekly Cybersecurity News: Jul 27, 2026

Weekly cybersecurity news covering active exploitation of Check Point SmartConsole CVE-2026-16232, Qilin ransomware leveraging PAN-OS GlobalProtect vulnerabilities, Russian LAUNDRY BEAR targeting Zimbra email servers, and FakeGit malicious repositories.

2026-07-27

Global Cyber Intel Digest: July 22, 2026

Coverage of active exploitation targeting on-premise Microsoft SharePoint CVE-2026-50522, Qilin ransomware leveraging PAN-OS CVE-2026-0257 GlobalProtect authentication bypass, and critical security patch updates across enterprise networking hardware.

2026-07-22

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