AUGUST 4, 2026
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Case File

CVE-2020-37133

HIGH · CVSS 7.5 EPSS 0.48% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-02-05 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. Public exploit code or proof-of-concept references have been detected in its references. It may lead to a denial-of-service condition.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2020-37133
Severity
HIGH
CVSS
7.5
EPSS
0.48%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)