CVE-2023-25267: Gfi Kerio Connect

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in GFI Kerio Connect 9.4.1 patch 1 (fixed in 10.0.0). There is a stack-based Buffer Overflow in the webmail component's 2FASetup function via an authenticated request with a long primaryEMailAddress field to the webmail/api/jsonrpc URI.

Affected products

• Gfi Kerio Connect: version 9.4.1 only

Published 2023-03-15. Last modified 2026-06-17.