CVE-2020-5902: Helping to protect against the F5 TMUI RCE vulnerability
Jul 7, 2020Michael Tremante, Maitane Zotes
Summary
This post details the deployment of a new managed WAF rule (100315) to protect Cloudflare customers against the CVE-2020-5902 RCE vulnerability in F5 BIG-IP's TMUI. It explains the vulnerability, provides mitigation details including a regex pattern, and outlines how to manage the rule within the Cloudflare WAF. It also highlights initial observed attack patterns and traffic volume.
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