VULNERABILITY INTELLIGENCE
CVE-2020-37134
CVSS score7.5 HIGH
EPSS probability0.41%
CISA KEVNot currently listed
Published2026-02-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
UltraVNC Viewer 1.2.4.0 contains a denial of service vulnerability that allows attackers to crash the application by manipulating VNC Server input. Attackers can generate a malformed 256-byte payload and paste it into the VNC Server connection dialog to trigger an application crash.
Weakness classification
- disclosure@vulncheck.com: CWE-770