{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2021-22281", "assignerOrgId": "2b718523-d88f-4f37-9bbd-300c20644bf9", "state": "PUBLISHED", "assignerShortName": "ABB", "dateReserved": "2021-01-05T17:31:49.080Z", "datePublished": "2024-02-02T07:24:29.599Z", "dateUpdated": "2024-08-21T17:32:38.731Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Automation Studio", "vendor": "B&R Industrial Automation", "versions": [ { "lessThanOrEqual": "4.12", "status": "affected", "version": "4.0", "versionType": "custom" } ] } ], "credits": [ { "lang": "en", "type": "finder", "user": "00000000-0000-4000-9000-000000000000", "value": "B&R would like to thank the following for working with us to help protect our customers: Mr. Mashav Sapir of Claroty, Mr. Andrew Hofmans" } ], "datePublic": "2021-10-28T18:30:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": ": Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.
This issue affects Automation Studio: from 4.0 through 4.12.
" } ], "value": ": Relative Path Traversal vulnerability in B&R Industrial Automation Automation Studio allows Relative Path Traversal.This issue affects Automation Studio: from 4.0 through 4.12.\n\n" } ], "impacts": [ { "capecId": "CAPEC-139", "descriptions": [ { "lang": "en", "value": "CAPEC-139 Relative Path Traversal" } ] } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.1" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-23", "description": "CWE-23: Relative Path Traversal", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "orgId": "2b718523-d88f-4f37-9bbd-300c20644bf9", "shortName": "ABB", "dateUpdated": "2024-02-02T11:25:16.360Z" }, "references": [ { "url": "https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf" } ], "source": { "discovery": "UNKNOWN" }, "title": "Zip Slip Vulnerability in B&R Automation Studio Project Import", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "\n\nB&R recommends the following specific workarounds and mitigations:\nOpen only B&R Automation Studio project files from trusted source.\nUse encrypted export of B&R Automation Studio project files, thus only allowing access to legitimate \nusers.\nProtect locations where B&R Automation Studio projects are stored from unauthorized access. This \nincludes PLCs, when using the feature to back up project source files on target.\nDo not run B&R Automation Studio in elevated mode.\nMake sure, that Windows User Access Control (UAC) is enabled.\nVerify integrity of B&R Automation Studio project files, which are exchanged via potentially insecure \nchannels\nIn general, B&R recommends implementing the Cyber Security guidelines\n\n