How severe is CVE-2017-17738?

CVE-2017-17738 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2017-17738 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17738?

CVE-2017-17738 affects Brightsign 4k242 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17738?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-17738 published?

CVE-2017-17738 was published on 2017-12-18 and last updated on 2026-06-17.

CVE-2017-17738

CVE-2017-17738 is a high-severity vulnerability in Brightsign 4k242 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 6.4
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Brightsign 4k242 Firmware
Published: 2017-12-18
Last modified: 2026-06-17

Description

The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) allows renaming and modifying files via /tools.html.

Frequently asked questions

What is CVE-2017-17738?: The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) allows renaming and modifying files via /tools.html.
How severe is CVE-2017-17738?: CVE-2017-17738 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2017-17738 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17738?: CVE-2017-17738 affects Brightsign 4k242 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17738?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-17738 published?: CVE-2017-17738 was published on 2017-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:brightsign:4k242_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Brightsign 4k242 Firmware

CVE-2017-17739 — Critical (CVSS 9.8): The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has directory traversal via the /storage.html…
CVE-2017-17737 — Medium (CVSS 6.1): The BrightSign Digital Signage (4k242) device (Firmware 6.2.63 and below) has XSS via the REF parameter to…

All CVEs affecting Brightsign 4k242 Firmware →