CVE-2020-37132

Medium

Description

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.

SeverityMedium
CVSS6.2
Exploit probability—
ProductUvnc Ultravnc
PublishedFeb 5, 2026
First seenFeb 5, 2026
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
uvnc ultravncv ≤ 1.2.4.0—

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