{"containers":{"cna":{"affected":[{"product":"Automation Runtime webserver","vendor":"B&R Automation","versions":[{"lessThan":"4.91","status":"affected","version":"unspecified","versionType":"custom"}]}],"descriptions":[{"lang":"en","value":"Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-120","description":"CWE-120 Buffer Overflow","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2022-05-13T14:23:20.000Z","orgId":"2b718523-d88f-4f37-9bbd-300c20644bf9","shortName":"ABB"},"references":[{"tags":["x_refsource_MISC"],"url":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"}],"source":{"discovery":"UNKNOWN"},"title":"Denial of service vulnerability on Automation Runtime webserver","workarounds":[{"lang":"en","value":"B&R recommends the following specific workarounds and mitigations:\nThe access to the Automation Runtime webserver should be restricted to legitimate network partners, using e.g. a sufficient Firewall setup and robust network segmentation. \nB&R recommends deactivating Automation Runtime webserver when not needed."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cybersecurity@ch.abb.com","ID":"CVE-2021-22275","STATE":"PUBLIC","TITLE":"Denial of service vulnerability on Automation Runtime webserver"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Automation Runtime webserver","version":{"version_data":[{"version_affected":"<","version_value":"4.91"}]}}]},"vendor_name":"B&R Automation"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Buffer Overflow vulnerability in B&R Automation Runtime webserver allows an unauthenticated network-based attacker to stop the cyclic program on the device and cause a denial of service."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-120 Buffer Overflow"}]}]},"references":{"reference_data":[{"name":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf","refsource":"MISC","url":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"}]},"source":{"discovery":"UNKNOWN"},"work_around":[{"lang":"en","value":"B&R recommends the following specific workarounds and mitigations:\nThe access to the Automation Runtime webserver should be restricted to legitimate network partners, using e.g. a sufficient Firewall setup and robust network segmentation. \nB&R recommends deactivating Automation Runtime webserver when not needed."}]}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T18:37:18.446Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://www.br-automation.com/downloads_br_productcatalogue/assets/1625405588264-en-original-1.0.pdf"}]}]},"cveMetadata":{"assignerOrgId":"2b718523-d88f-4f37-9bbd-300c20644bf9","assignerShortName":"ABB","cveId":"CVE-2021-22275","datePublished":"2022-05-13T14:23:20.000Z","dateReserved":"2021-01-05T00:00:00.000Z","dateUpdated":"2024-08-03T18:37:18.446Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}