CVE-2020-37134
Published: Feb 5, 2026
Modified: Mar 5, 2026
CVSS v3.1
7.5
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.
| Vendor | Product | Versions |
|---|---|---|
UltraVNC Team | UltraVNC Viewer | affected 1.2.4.0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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