VulnerabilityAnalyzed
CVE-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.
MEDIUM 6.7EPSS 0.50%
Does this matter?
Lower severity and a low EPSS score (0.50%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 4.0
- 6.7 MEDIUMCVSS: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/M
- EPSS
- 0.50% probability · 42th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-121, CWE-787
- Affected
- uvnc/ultravnc
- Source
- disclosure@vulncheck.com
References
- https://www.exploit-db.com/exploits/48288Exploit, Third Party Advisory, VDB Entry
- https://www.uvnc.com/Product
- https://www.vulncheck.com/advisories/ultravnc-launcher-repeaterhost-denial-of-serviceThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.