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 access settings to port 8080 without the user's consent.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (10.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Ubeeinteractive Ubee Evw327 — versions EVW327
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49920 (exploit)
- www.ubeeinteractive.com (product)
- www.vulncheck.com/advisories/ubee-evw-enable-remote-access-cross-site-request-f… (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.