CVE-2021-31252

An open redirect vulnerability exists in BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, and SEMAC devices from CHIYU Technology that can be exploited by sending a link that has a specially crafted URL to convince the user to click on it.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
chiyu-techbf-430_firmware
-
chiyu-techbf-431_firmware
-
chiyu-techbf-450m_firmware
-
chiyu-techsemac_s2_firmware
-
chiyu-techsemac_d1_firmware
-
chiyu-techsemac_d2_firmware
-
chiyu-techsemac_d4_firmware
-
chiyu-techsemac_s3v3_firmware
-
chiyu-techsemac_d2_n300_firmware
-
chiyu-techsemac_s1_osdp_firmware
-
chiyu-techbf-630_firmware
-
chiyu-techbf-631w_firmware
-
chiyu-techbf-830w_firmware
-
chiyu-techwebpass_firmware
-
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252
https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
https://www.chiyu-tech.com/msg/message-Firmware-update-87.html