CISA-confirmed known exploited vulnerability

CVE-2022-0028

Palo Alto Networks PAN-OS Reflected Amplification Denial-of-Service Vulnerability

Palo Alto Networks · PAN-OS

Vulnerability details

A Palo Alto Networks PAN-OS URL filtering policy misconfiguration could allow a network-based attacker to conduct reflected and amplified TCP denial-of-service (RDoS) attacks.

Added to CISA KEV: 2022-08-22

Ransomware campaign use: Unknown

CISA due date: 2022-09-12

Defensive guidance from CISA

Apply updates per vendor instructions.

This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.

Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC

View CISA KEV catalog View NVD record

← All vulnerabilities