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CVE-2020-8839

MediumPublished

Stored XSS was discovered on CHIYU BF-430 232/485 TCP/IP Converter devices before 1.16.00, as demonstrated by the /if.cgi TF_submask field.

Published: Feb 12, 2020
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Feb 11, 2020

Primary CVSS

6.1/ 10Medium

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS probability estimate

2.1%

Low · next 30 days

Percentile: 80.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Stored XSS was discovered on CHIYU BF-430 232/485 TCP/IP Converter devices before 1.16.00, as demonstrated by the /if.cgi TF_submask field.

Sources

CHIYU BF430 TCP IP Converter - Stored Cross-Site ScriptingExploit
Luca.Chiou · cgi · Feb 11, 2020

Responsible use

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