CVE-2020-14232: Hcltech Notes

High severity, CVSS 8.8. EPSS: 1.3% chance of exploitation in the next 30 days.

A vulnerability in the input parameter handling of HCL Notes v9 could potentially be exploited by an authenticated attacker resulting in a stack buffer overflow. This could allow the attacker to crash the program or inject code into the system which would execute with the privileges of the currently logged in user.

Affected products

• Hcltech Notes: version 9.0 only; version 9.0.1 only

Published 2020-12-18. Last modified 2026-06-17.