CVE-2020-37133

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

UltraVNC Launcher 1.2.4.0 contains a denial of service vulnerability in the Repeater Host configuration field that allows attackers to crash the application. Attackers can paste an overly long string of 300 characters into the Repeater Host property to trigger an application crash.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-121 CWE-787

Affected software

No affected versions have been published.

Timeline

Published: Feb 5, 2026
Last modified: Jun 17, 2026
NVD status: Analyzed

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