Cloudflare’s protection against a new Remote Code Execution vulnerability (CVE-2019-16759) in vBulletin

What this post added

Introduced a new rule (ruleId: 100166) within Cloudflare Specials Rulesets to protect against CVE-2019-16759, a zero-day Remote Code Execution vulnerability in vBulletin. This rule is automatically applied to customers with Managed Rulesets and Cloudflare Specials enabled.