{"api_version":"1","generated_at":"2026-06-24T17:20:09+00:00","cve":"CVE-2021-43933","urls":{"html":"https://cve.report/CVE-2021-43933","api":"https://cve.report/api/cve/CVE-2021-43933.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-43933","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-43933"},"summary":{"title":"CVE-2021-43933","description":"The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources.","state":"PUBLIC","assigner":"ics-cert@hq.dhs.gov","published_at":"2022-04-20 16:15:00","updated_at":"2022-10-17 18:12:00"},"problem_types":["CWE-400"],"metrics":[],"references":[{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03","name":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03","refsource":"MISC","tags":[],"title":"FANUC ROBOGUIDE Simulation Platform | CISA","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-43933","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43933","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Sharon Brizinov with Claroty reported these vulnerabilities to CISA.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"43933","vulnerable":"1","versionEndIncluding":"9.40083.00.05","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"fanuc","cpe5":"roboguide","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","DATE_PUBLIC":"2022-04-19T21:16:00.000Z","ID":"CVE-2021-43933","STATE":"PUBLIC","TITLE":"ICSA-22-109-03 FANUC ROBOGUIDE Simulation Platform"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"ROBOGUIDE","version":{"version_data":[{"version_affected":"<","version_name":"All","version_value":"v9.40083.00.05 (Rev T)"}]}}]},"vendor_name":"FANUC"}]}},"credit":[{"lang":"eng","value":"Sharon Brizinov with Claroty reported these vulnerabilities to CISA."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The affected product is vulnerable to a network-based attack by threat actors sending unimpeded requests to the receiving server, which could cause a denial-of-service condition due to lack of heap memory resources."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-400 Uncontrolled Resource Consumption"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03","name":"https://www.cisa.gov/uscert/ics/advisories/icsa-22-109-03"}]},"solution":[{"lang":"eng","value":"FANUC has created a new version to address these vulnerabilities. Users may obtain and install the new version by downloading ROBOGUIDE v9 Rev U or higher from the FANUC or FANUC America website (login required)."}],"source":{"advisory":"ICSA-22-109-03","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2022-04-20 16:15:00","lastModifiedDate":"2022-10-17 18:12:00","problem_types":["CWE-400"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.2,"impactScore":3.6},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:fanuc:roboguide:*:*:*:*:*:*:*:*","versionEndIncluding":"9.40083.00.05","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"43933","Ordinal":"221552","Title":"CVE-2021-43933","CVE":"CVE-2021-43933","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"43933","Ordinal":"1","NoteData":"** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.","Type":"Description","Title":null}]}}}