SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-14232

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.

HIGH 8.8EPSS 1.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.29% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
hcltech/notes
Source
psirt@hcl.com
EPSS trend
0%3%5%26 October 2026: 1.29%26 October 202626 October 2026

EPSS 1.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.