CVE-2020-37132 MEDIUM

CVE-2020-37132: UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service

Vendor Ultravnc Team
Product UltraVNC Launcher
Weakness CWE-121
Published February 5, 2026
Last update February 5, 2026
View on NVD All CVEs

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in its password configuration properties that allows local attackers to crash the application. Attackers can paste an overly long 300-character string into the password field to trigger an application crash and prevent normal launcher functionality.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
February 5, 2026 Record updated