{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2331", "assignerOrgId": "a6863dd2-93fc-443d-bef1-79f0b5020988", "state": "PUBLISHED", "assignerShortName": "SICK AG", "dateReserved": "2026-02-11T09:33:16.256Z", "datePublished": "2026-03-06T07:56:35.445Z", "dateUpdated": "2026-03-06T07:56:35.445Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "SICK Lector85x", "vendor": "SICK AG", "versions": [{"lessThanOrEqual": "2.7.0", "status": "affected", "version": "2.6.0", "versionType": "custom"}]}, {"defaultStatus": "affected", "product": "SICK Lector83x", "vendor": "SICK AG", "versions": [{"lessThanOrEqual": "2.7.0", "status": "affected", "version": "2.6.0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment.</p>"}], "value": "An attacker may perform unauthenticated read and write operations on sensitive filesystem areas via the AppEngine Fileaccess over HTTP due to improper access restrictions. A critical filesystem directory was unintentionally exposed through the HTTP-based file access feature, allowing access without authentication. This includes device parameter files, enabling an attacker to read and modify application settings, including customer-defined passwords. Additionally, exposure of the custom application directory may allow execution of arbitrary Lua code within the sandboxed AppEngine environment."}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "environmentalScore": 9.8, "environmentalSeverity": "CRITICAL", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "temporalScore": 9.8, "temporalSeverity": "CRITICAL", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-552", "description": "CWE-552 Files or Directories Accessible to External Parties", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "a6863dd2-93fc-443d-bef1-79f0b5020988", "shortName": "SICK AG", "dateUpdated": "2026-03-06T07:56:35.445Z"}, "references": [{"tags": ["x_SICK PSIRT Security Advisories"], "url": "https://www.sick.com/psirt"}, {"tags": ["x_SICK Operating Guidelines"], "url": "https://www.sick.com/media/docs/9/19/719/special_information_sick_operating_guidelines_cybersecurity_by_sick_en_im0106719.pdf"}, {"tags": ["x_ICS-CERT recommended practices on Industrial Security"], "url": "https://www.cisa.gov/resources-tools/resources/ics-recommended-practices"}, {"tags": ["x_CVSS v3.1 Calculator"], "url": "https://www.first.org/cvss/calculator/3.1"}, {"tags": ["x_The canonical URL."], "url": "https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0006.json"}, {"tags": ["vendor-advisory"], "url": "https://www.sick.com/.well-known/csaf/white/2026/sca-2026-0006.pdf"}], "solutions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Users are strongly recommended to upgrade to release version 2.8.0.</p>"}], "value": "Users are strongly recommended to upgrade to release version 2.8.0."}], "source": {"advisory": "SCA-2026-0006", "discovery": "INTERNAL"}, "title": "CVE-2026-2331", "x_generator": {"engine": "csaf2cve 0.2.1"}}}}

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