Path Traversal in Brightsign 4k242

CVE-2017-17739

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has directory traversal via the /storage.html rp parameter, allowing an attacker to read or write to files.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.119 (96.0th percentile), scored .

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-17739: held from 0.119 to 0.119.

EPSS over last 30 days · oldest: 0.119 · newest: 0.119 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-17739?
CVE-2017-17739 is a critical-severity vulnerability in Brightsign 4k242, classified under Path Traversal. CVSS score: 9.8/10. Published 2017-12-18.
How severe is CVE-2017-17739?
Critical severity. CVSS v3 base score is 9.8 out of 10.