CVE-2020-37132

MEDIUM

UltraVNC Launcher 1.2.4.0 - DoS

Title source: llm

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.

Exploits (1)

exploitdb WORKING POC
by chuyreds · pythondoswindows
https://www.exploit-db.com/exploits/48290

Scores

CVSS v3 6.2
EPSS 0.0001
EPSS Percentile 0.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-121 CWE-787
Status published
Products (1)
uvnc/ultravnc < 1.2.4.0
Published Feb 05, 2026
Tracked Since Feb 18, 2026