What is CVE-2018-5304?

CVE-2018-5304 is a medium-severity vulnerability in Impinj R420 Rfid Reader, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2018-05-11.

How severe is CVE-2018-5304?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Open Redirect in Impinj R420 Rfid Reader

CVE-2018-5304

An issue was discovered on the Impinj Speedway Connect R420 RFID Reader before 2.2.2. The affected web interface is vulnerable to ClickJacking or UI Redressing: it is possible to access the web application in an iframe, and clicking on the iframe will redirect to a third-party application or perform other malicious actions.

Vulnerability class: Open Redirect

Published 2018-05-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

blog.isecurion.com/2018/05/09/impinj-speedway-r420-rfid-reader/ (Technical Description, Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-5304?: CVE-2018-5304 is a medium-severity vulnerability in Impinj R420 Rfid Reader, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2018-05-11.
How severe is CVE-2018-5304?: Medium severity. CVSS v3 base score is 4.3 out of 10.