CVE-2020-37134 — UltraVNC Viewer 1.2.4.0 - 'VNCServer' Denial of Service
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 malf…
Published: 2026-02-05 · CVSS: 4.6 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7