What is CVE-2017-17737?

CVE-2017-17737 is a medium-severity vulnerability in Brightsign 4k242, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-18.

How severe is CVE-2017-17737?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Brightsign 4k242

CVE-2017-17737

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has XSS via the REF parameter to /network_diagnostics.html or /storage_info.html.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-12-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.021 (80.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.information-paradox.net/2017/12/brightsign-multiple-vulnerablities-cve.html (Third Party Advisory, Issue Tracking)
www.exploit-db.com/exploits/43364/ (Exploit, VDB Entry, Third Party Advisory, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2017-17737?: CVE-2017-17737 is a medium-severity vulnerability in Brightsign 4k242, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-12-18.
How severe is CVE-2017-17737?: Medium severity. CVSS v3 base score is 6.1 out of 10.