What is CVE-2021-47820?

CVE-2021-47820 is a medium-severity vulnerability in Ubeeinteractive Ubee Evw327, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.3/10. Published 2026-01-16.

How severe is CVE-2021-47820?

Medium severity. CVSS v3 base score is 5.3 out of 10.

CSRF in Ubeeinteractive Ubee Evw327

CVE-2021-47820

Ubee EVW327 contains a cross-site request forgery vulnerability that allows attackers to enable remote access without user interaction. Attackers can craft a malicious webpage that automatically submits a form to change router remote acces…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.002 (8.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Ubeeinteractive Ubee Evw327 — versions EVW327

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2021-47820?: CVE-2021-47820 is a medium-severity vulnerability in Ubeeinteractive Ubee Evw327, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.3/10. Published 2026-01-16.
How severe is CVE-2021-47820?: Medium severity. CVSS v3 base score is 5.3 out of 10.