CVE-2020-27740: Citadel Webcit

Medium severity, CVSS 5.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Citadel WebCit through 926 allows unauthenticated remote attackers to enumerate valid users within the platform. NOTE: this was reported to the vendor in a publicly archived "Multiple Security Vulnerabilities in WebCit 926" thread.

Affected products

• Citadel Webcit: up to and including 926

Published 2020-10-28. Last modified 2026-06-17.