{"id":"CVE-2021-22281","state":"PUBLISHED","title":"Zip Slip Vulnerability in B&R Automation Studio Project Import","description":": 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","publishedAt":"2024-02-02T07:24:29.599Z","updatedAt":"2024-08-21T17:32:38.731Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N","source":"ABB"},"assigner":"ABB","products":["B&R Industrial Automation Automation Studio"],"affected":[{"vendor":"B&R Industrial Automation","product":"Automation Studio","defaultStatus":"unaffected","versions":[{"version":"4.0","status":"affected","lessThanOrEqual":"4.12","versionType":"custom"}]}],"references":["https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T19:48:02.192Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/22xxx/CVE-2021-22281.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-22281","state":"PUBLISHED","datePublished":"2024-02-02T07:24:29.599Z","dateUpdated":"2024-08-21T17:32:38.731Z","assignerShortName":"ABB","assignerOrgId":"2b718523-d88f-4f37-9bbd-300c20644bf9","dateReserved":"2021-01-05T17:31:49.080Z"},"containers":{"cna":{"title":"Zip Slip Vulnerability in B&R Automation Studio Project Import","descriptions":[{"lang":"en","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"}],"affected":[{"vendor":"B&R Industrial Automation","product":"Automation Studio","defaultStatus":"unaffected","versions":[{"version":"4.0","status":"affected","lessThanOrEqual":"4.12","versionType":"custom"}]}],"references":[{"url":"https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf"}],"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":{"shortName":"ABB","orgId":"2b718523-d88f-4f37-9bbd-300c20644bf9","dateUpdated":"2024-02-02T11:25:16.360Z"},"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","impacts":[{"capecId":"CAPEC-139","descriptions":[{"lang":"en","value":"CAPEC-139 Relative Path Traversal"}]}],"source":{"discovery":"UNKNOWN"},"workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\n\nB&amp;R recommends the following specific workarounds and mitigations:\nOpen only B&amp;R Automation Studio project files from trusted source.\nUse encrypted export of B&amp;R Automation Studio project files, thus only allowing access to legitimate \nusers.\nProtect locations where B&amp;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&amp;R Automation Studio in elevated mode.\nMake sure, that Windows User Access Control (UAC) is enabled.\nVerify integrity of B&amp;R Automation Studio project files, which are exchanged via potentially insecure \nchannels\nIn general, B&amp;R recommends implementing the Cyber Security guidelines\n\n<br>"}],"value":"\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\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.br-automation.com/fileadmin/2021-11_ZipSlip_Vulnerability_in_Automation_Studio_Project_Import-b90d2f42.pdf","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T18:37:18.432Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-21T15:56:31.407839Z","id":"CVE-2021-22281","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-21T17:32:38.731Z"}}]}}}