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Palo Alto's Firewall Glitch Hits CISA's 'Fix Now' List After Real-World Attacks

CISA's Known Exploited Vulnerabilities catalog just grew by one: a Palo Alto firewall bug that's already drawing fire from attackers. Patch by September 9, or risk becoming the next DDoS reflector.

James Kowalski πŸ“… Apr 03, 2026 ⏱️ 4 min read πŸ‘οΈ 0 views
CISA warning alert for Palo Alto Networks PAN-OS firewall vulnerability CVE-2022-0028

⚑ Key Takeaways

  • CISA added CVE-2022-0028 to KEV catalog after confirmed exploits; federal patch deadline is Sept 9.
  • Bug turns misconfigured PAN-OS firewalls into DDoS amplifiers β€” no auth needed.
  • Vendors like Palo Alto downplay scope, but history shows 'niche' flaws enable massive attacks.

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James Kowalski
Written by

James Kowalski

Investigative tech reporter focused on AI ethics, regulation, and societal impact.

#CISA KEV #CVE-2022-0028 #DDoS amplification #PAN-OS #Palo Alto Networks #Reflected DoS

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Originally reported by Threatpost

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