CVE-2024-3382 - CVE House
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Status published High CVE-2024-3382

PAN-OS: Firewall Denial of Service (DoS) via a Burst of Crafted Packets

Vulnerability Description

A memory leak exists in Palo Alto Networks PAN-OS software that enables an attacker to send a burst of crafted packets through the firewall that eventually prevents the firewall from processing traffic. This issue applies only to PA-5400 Series devices that are running PAN-OS software with the SSL Forward Proxy feature enabled.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Palo Alto Networks thanks Celedonio Albarran of Equity Residential and their Infrastructure and Security teams for discovering and reporting this issue.

References

More from Palo Alto Networks

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CVE-2025-4618
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CVE-2025-4617
Prisma Browser: Insufficient Policy Enforcement Vulnerability in Prisma Browser
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CVE-2025-4616
Prisma Browser: Insufficient Validation of Untrusted Input Vulnerability in Prisma Browser
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CVE-2025-4615
PAN-OS: Improper Neutralization of Input in the Management Web Interface
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Affected Vendor

Palo Alto Networks

View all reports →

Affected Software

PAN-OS, Cloud NGFW, Prisma Access
Vulnerable Versions:
9.0.0, 9.1.0, 10.1.0, 10.2.0, 11.0.0, 11.1.0, All

Timeline

Official Publish: April 10th, 2024
Last Modified: May 13th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-770

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service
Impact
T1498 Network Denial of Service
Impact
T1190 Exploit Public-Facing Application
Initial Access
T1562 Impair Defenses
Defense Evasion
T1046 Network Service Discovery
Discovery