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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 11.89% probability · 96th percentile
- Public exploits
- 1 in Exploit-DB · first 19 December 2017
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- brightsign/4k242 firmware
- Source
- cve@mitre.org
EPSS moved from 8.5% on 21 September 2026 to 11.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://www.information-paradox.net/2017/12/brightsign-multiple-vulnerablities-cve.htmlIssue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/43364/Exploit, Issue Tracking, Third Party Advisory, VDB Entry
- http://www.information-paradox.net/2017/12/brightsign-multiple-vulnerablities-cve.htmlIssue Tracking, Third Party Advisory
- https://www.exploit-db.com/exploits/43364/Exploit, Issue Tracking, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.