CVE-2018-1000809: Privacyidea

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

privacyIDEA version 2.23.1 and earlier contains a Improper Input Validation vulnerability in token validation api that can result in Denial-of-Service. This attack appear to be exploitable via http request with user=<space>&pass= to /validate/check url. This vulnerability appears to have been fixed in 2.23.2.

Affected products

• Privacyidea Privacyidea: up to and including 2.23.1

Published 2018-10-08. Last modified 2026-06-17.