CVE-2020-37133

UltraVNC Launcher 1.2.4.0 - 'RepeaterHost' Denial of Service

CVSS 6.7 MEDIUMEPSS 0.5%CWE-121

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 6.7EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

05 feb 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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.

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Productos afectados

UltraVNC Team · UltraVNC Launcher

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Referencias

https://www.exploit-db.com/exploits/48288 https://www.uvnc.com/https://www.vulncheck.com/advisories/ultravnc-launcher-repeaterhost-denial-of-service