PT-2020-20316 · Chiyu · Chiyu Bf-430 232/485 Tcp/Ip Converter

Published 2020-02-12 · Updated 2020-02-18 · CVE-2020-8839

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions CHIYU BF-430 232/485 TCP/IP Converter versions prior to 1.16.00

Description A stored XSS issue was found, as demonstrated by the "/if.cgi" API endpoint, specifically the TF submask field.

Recommendations For versions prior to 1.16.00, update to version 1.16.00 or later to resolve the issue. As a temporary workaround, consider restricting access to the "/if.cgi" API endpoint to minimize the risk of exploitation. Avoid using the TF submask field in the affected API endpoint until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-8839

Affected Products

Chiyu Bf-430 232/485 Tcp/Ip Converter

References · 6

• 🔥 https://exploit-db.com/exploits/48040 · Exploit
• 🔥 http://packetstormsecurity.com/files/156289/CHIYU-BF430-TCP-IP-Converter-Cross-Site-Scripting.html · Exploit
• 🔥 https://drive.google.com/open?id=1eDN0rsGPs4-yxeMxl7MGh__yjdbl-wON · Exploit
• https://osv.dev/vulnerability/CVE-2020-8839 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-8839 · Security Note
• https://t.me/cvenotify/935 · Telegram Post