CVE-2020-12720: vBulletin

Critical severity, CVSS 9.8. EPSS: 88.9% chance of exploitation in the next 30 days.

vBulletin before 5.5.6pl1, 5.6.0 before 5.6.0pl1, and 5.6.1 before 5.6.1pl1 has incorrect access control.

Affected products

• vBulletin vBulletin: from 5.0.0, before 5.5.6 (fixed in 5.5.6); version 5.5.6 only; version 5.6.0 only; version 5.6.1.- only

Published 2020-05-08. Last modified 2026-06-17.