MEDIUM

CVE-2021-31252

CVSS v3

6.1

MEDIUM

EPSS Score

28.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-31252 yet.

Full record on NVD

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.

Technical details

Published: 2021-06-04

Frequently asked questions

What is CVE-2021-31252?

Is CVE-2021-31252 actively exploited?

Active exploitation of CVE-2021-31252 has not been confirmed. Its EPSS score was 28.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-31252?

CVE-2021-31252 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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