CVE-2020-37133
published 2026-02-05CVE-2020-37133: 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…
PriorityP429high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.48%
38.1th percentile
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.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ultravnc_team | ultravnc_launcher | — | — |
| uvnc | ultravnc | <= 1.2.4.0 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv4.06.7MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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2026-02-05
Published