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CVE-2020-37133

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CVE-2020-37133

Published: Feb 5, 2026

Modified: Feb 5, 2026

PUBLISHED

CVSS v3.1

7.5

HIGH

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.

VendorProductVersions

UltraVNC Team

UltraVNC Launcher

affected
1.2.4.0

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

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