CVE-2020-37132
UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service
MEDIUM 6.7EPSS 0.3%
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.
- Affected
- UltraVNC Team · UltraVNC Launcher
- CVSS v4.0 VULNCHECK
- 6.7 MEDIUM
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS v3.1 NVD
- 5.5 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - CVSS v3.1 VULNCHECK
- 6.2 MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS
- 0.26% chance of exploitation in the next 30 days, 16th percentile
- Published
- 2026-02-05
Proof-of-concept exploits (1)
Security advisories
- https://www.vulncheck.com/advisories/ultravnc-launcher-password-denial-of-service
- https://www.uvnc.com