CVE-2020-37133— UltraVNC Launcher 1.2.4.0 - 'RepeaterHost' Denial of Service
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I. Basic Information for CVE-2020-37133
Vulnerability Information
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Vulnerability Title
UltraVNC Launcher 1.2.4.0 - 'RepeaterHost' Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
UltraVNC Launcher 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UltraVNC Launcher是UltraVNC公司的一个远程控制软件中的启动器。 UltraVNC Launcher 1.2.4.0版本存在安全漏洞，该漏洞源于中继主机配置字段处理不当，可能导致应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| UltraVNC Team | UltraVNC Launcher | 1.2.4.0 | - |
II. Public POCs for CVE-2020-37133
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · UltraVNC Team · 2026-02-05 · 3 CVEs total
| CVE-2020-37134 | 7.5 HIGH | UltraVNC Viewer 1.2.4.0 - 'VNCServer' Denial of Service |
| CVE-2020-37132 | 6.2 MEDIUM | UltraVNC Launcher 1.2.4.0 - 'Password' Denial of Service |
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V. Comments for CVE-2020-37133
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