CVE-2021-31252
MEDIUMCVSS 6.1/10EPSS 28.55%
Last modified
CVE-2021-31252 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 28.55% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chiyu-Tech | Bf-430 Firmware | All versions |
| Chiyu-Tech | Bf-431 Firmware | All versions |
| Chiyu-Tech | Bf-450m Firmware | All versions |
| Chiyu-Tech | Semac S2 Firmware | All versions |
| Chiyu-Tech | Semac D1 Firmware | All versions |
| Chiyu-Tech | Semac D2 Firmware | All versions |
| Chiyu-Tech | Semac D4 Firmware | All versions |
| Chiyu-Tech | Semac S3v3 Firmware | All versions |
| Chiyu-Tech | Semac D2 N300 Firmware | All versions |
| Chiyu-Tech | Semac S1 Osdp Firmware | All versions |
| Chiyu-Tech | Bf-630 Firmware | All versions |
| Chiyu-Tech | Bf-631w Firmware | All versions |
| Chiyu-Tech | Bf-830w Firmware | All versions |
| Chiyu-Tech | Webpass Firmware | All versions |
References
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252Exploit, Third Party Advisory
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/Exploit, Third Party Advisory
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252Exploit, Third Party Advisory
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-31252?
CVE-2021-31252 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 28.55% probability of exploitation in the next 30 days.
How do I fix CVE-2021-31252?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
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- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-31252?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST