CVE-2020-14224

CRITICAL

HCL Notes v9 - Unauthenticated Stack Buffer Overflow in MIME Message Handling

Title source: llm
STIX 2.1

Description

A vulnerability in the MIME message handling of the HCL Notes v9 client could potentially be exploited by an unauthenticated attacker resulting in a stack buffer overflow. This could allow a remote attacker to crash the Notes application or inject code into the system which would execute with the privileges of the currently logged-in user.

References (1)

Core 1
Core References

Scores

CVSS v3 9.8
EPSS 0.0167
EPSS Percentile 82.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (2)
hcltech/notes 9.0
hcltech/notes 9.0.1
Published Dec 18, 2020
Tracked Since Feb 18, 2026