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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

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

Configurations

No configuration.

History

23 Oct 2026, 16:16

Type	Values Removed	Values Added
References	~~() https://www.zeroscience.mk/advisories/ZSL-2016-5356.html -~~	() https://www.zeroscience.mk/advisories/ZSL-2016-5356.html -

20 Oct 2026, 21:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-20 21:17

Updated : 2026-10-23 16:16

NVD link : CVE-2016-20104

Mitre link : CVE-2016-20104

CVE.ORG link : CVE-2016-20104

JSON object : View

Products Affected

No product.

CWE

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

{"id": "CVE-2016-20104", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2016-20104", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-23T15:14:55.868831Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "EyeLock", "product": "nano NXT", "versions": [{"status": "affected", "version": "3.05.1193", "versionType": "custom"}, {"status": "affected", "version": "3.04.1108", "versionType": "custom"}, {"status": "affected", "version": "3.03.944", "versionType": "custom"}, {"status": "affected", "version": "3.01.646", "versionType": "custom"}], "defaultStatus": "unknown"}]}], "published": "2026-10-20T21:17:14.193", "references": [{"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/eyelock-nano-lfd.yaml", "source": "disclosure@vulncheck.com"}, {"url": "https://packetstorm.news/files/id/138274/", "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/40227", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/eyelock-nano-nxt-3.05.1193-path-traversal-via-logdownload-php", "source": "disclosure@vulncheck.com"}, {"url": "https://www.zeroscience.mk/advisories/ZSL-2016-5356.html", "source": "disclosure@vulncheck.com"}, {"url": "https://www.zeroscience.mk/advisories/ZSL-2016-5356.html", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-22"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-10-23T16:16:50.360", "sourceIdentifier": "disclosure@vulncheck.com"}