CVE-2020-8839 EXPLOIT
6.1
MEDIUM · CVSS 3.1 · EPSS 2.1% (pctl 81)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 6.1 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 2.07% — more likely to be exploited than 81% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-02-12 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| chiyu-t | bf-430 |
| chiyu-t | bf-430 firmware |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | CHIYU BF430 TCP IP Converter - Stored Cross-Site Scripting | 2020-02-11 |
References
- http://packetstormsecurity.com/files/156289/CHIYU-BF430-TCP-IP-Converter-Cross-Site-Scripting.html
- https://drive.google.com/open?id=1eDN0rsGPs4-yxeMxl7MGh__yjdbl-wON
- http://packetstormsecurity.com/files/156289/CHIYU-BF430-TCP-IP-Converter-Cross-Site-Scripting.html
- https://drive.google.com/open?id=1eDN0rsGPs4-yxeMxl7MGh__yjdbl-wON
→ the Explorer · watch your stack · NVD