CVE-2021-30185: Cern Indico

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

CERN Indico before 2.3.4 can use an attacker-supplied Host header in a password reset link.

Affected products

• Cern Indico: before 2.3.4 (fixed in 2.3.4)

Published 2021-04-07. Last modified 2026-06-17.