CVE-2020-37133

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie2/5/2026

Derniere modification2/9/2026

Sourcenvd

Observations honeypot0

Produits affectes

uvnc:ultravnc

Faiblesses (CWE)

CWE-121CWE-787

References

https://www.exploit-db.com/exploits/48288(disclosure@vulncheck.com)

https://www.uvnc.com/(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/ultravnc-launcher-repeaterhost-denial-of-service(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.