CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-31641
Medium (6.1) in chiyu-tech. EPSS 5.1% chance of exploitation in the next 30 days.
An unauthenticated XSS vulnerability exists in several IoT devices from CHIYU Technology, including BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, BF-MINI-W, and SEMAC due to a lack of sanitization when the HTTP 404 message is generated.
Severity
- EPSS
- 5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- chiyu-tech:bf-430_firmware
- chiyu-tech:bf-431_firmware
- chiyu-tech:bf-450m_firmware
- chiyu-tech:bf-630_firmware
- chiyu-tech:bf-631w_firmware
- chiyu-tech:bf-830w_firmware
- chiyu-tech:bfminiw_firmware
- chiyu-tech:semac_d1_firmware
- chiyu-tech:semac_d2_firmware
- chiyu-tech:semac_d2_n300_firmware
- chiyu-tech:semac_d4_firmware
- chiyu-tech:semac_s1_osdp_firmware
- chiyu-tech:semac_s2_firmware
- chiyu-tech:semac_s3v3_firmware
- chiyu-tech:webpass_firmware
References
- http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31641
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/#.YLY_lXmSlPY
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
- http://packetstormsecurity.com/files/162887/CHIYU-IoT-Cross-Site-Scripting.html