CVE-2016-20104

EyeLock nano NXT 3.05.1193, 3.04.1108, 3.03.944, and 3.01.646 contain a path traversal vulnerability that allows unauthenticated attackers to read arbitrary files via the 'path' parameter. Attackers can send GET requests to /scripts/logdownload.php with traversal sequences like ../../etc/passwd, which readfile() returns unvalidated, disclosing local system files. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.

Score

CVSS 4.0 8.7 High

Status

Deferred - disclosure@vulncheck.com

Published

2026-10-20

Last modified

2026-10-23

Weaknesses

CWE-22

Affected products

• Nano Nxt (Eyelock)

References

• https://www.zeroscience.mk/advisories/ZSL-2016-5356.html
• https://www.exploit-db.com/exploits/40227
• https://packetstorm.news/files/id/138274/
• https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/eyelock-nano-lfd.yaml
• https://www.vulncheck.com/advisories/eyelock-nano-nxt-3.05.1193-path-traversal-via-logdownload-php