CVE-2022-26143: A Zero-Day vulnerability for launching UDP amplification DDoS attacks
Mar 8, 2022Omer Yoachimik, Alex Forster
Summary
This post details the discovery and mitigation of CVE-2022-26143, a zero-day vulnerability in the Mitel MiCollab platform that enables UDP amplification DDoS attacks. It explains the exploit mechanism, Cloudflare's autonomous detection and mitigation systems, and provides specific instructions for Magic Transit customers to block the vulnerability using Magic Firewall rules. The post also highlights Cloudflare's commitment to providing unmetered and unlimited DDoS protection.
More from the Website Security & Threat Management trail
- We tested our own WAF with frontier AI models. Here’s what we found
- When scanners miss the attack: how Cloudflare Client-Side Security protects storefronts
- Introducing automatic remediation policies with Cloudflare CASB
- Introducing context-aware vulnerability discovery and remediation with Cloudflare Managed Defense and OpenAI Daybreak Models
- Introducing Adaptive Intelligence: undermining the economics of every bot attack