CVE-2017-8055: WatchGuard Fireware

Medium severity, CVSS 5.3. EPSS: 1.6% chance of exploitation in the next 30 days.

WatchGuard Fireware allows user enumeration, e.g., in the Firebox XML-RPC login handler. A login request that contains a blank password sent to the XML-RPC agent in Fireware v11.12.1 and earlier returns different responses for valid and invalid usernames. An attacker could exploit this vulnerability to enumerate valid usernames on an affected Firebox.

Affected products

• WatchGuard Fireware: up to and including 11.2.1

Published 2017-04-22. Last modified 2026-06-17.