CVE-2020-14244: Hcltech Domino

Critical severity, CVSS 9.8. EPSS: 3% chance of exploitation in the next 30 days.

A vulnerability in the MIME message handling of the Domino server (versions 9 and 10) could potentially be exploited by an unauthenticated attacker resulting in a stack buffer overflow. This could allow a remote attacker to crash the server or inject code into the system which would execute with the privileges of the server.

Affected products

• Hcltech Domino: from 9.0.0, before 10.0.1 (fixed in 10.0.1); version 10.0.1 only

Published 2020-12-14. Last modified 2026-06-17.