{"api_version":"1","generated_at":"2026-05-15T07:55:12+00:00","cve":"CVE-2021-38397","urls":{"html":"https://cve.report/CVE-2021-38397","api":"https://cve.report/api/cve/CVE-2021-38397.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-38397","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-38397"},"summary":{"title":"CVE-2021-38397","description":"Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to unrestricted file uploads, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition.","state":"PUBLIC","assigner":"ics-cert@hq.dhs.gov","published_at":"2022-10-28 02:15:00","updated_at":"2022-11-02 18:12:00"},"problem_types":["CWE-434"],"metrics":[],"references":[{"url":"https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf","name":"https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf","refsource":"CONFIRM","tags":[],"title":"TRANSFORMATION \nSTARTS \nTODAY","mime":"application/pdf","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-278-04","name":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-278-04","refsource":"CONFIRM","tags":[],"title":"Honeywell Experion PKS and ACE Controllers | CISA","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-38397","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38397","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Rei Henigman and Nadav Erez of Claroty reported these vulnerabilities to CISA.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"38397","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"honeywell","cpe5":"application_control_environment","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"honeywell","cpe5":"application_control_environment_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"honeywell","cpe5":"c200","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"honeywell","cpe5":"c200e","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"honeywell","cpe5":"c200e_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"honeywell","cpe5":"c200_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"honeywell","cpe5":"c300","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"38397","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"honeywell","cpe5":"c300_firmware","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2021-38397","qid":"590873","title":"Honeywell Experion PKS and ACE Controllers Multiple Vulnerabilities (ICSA-21-278-04) (SN 2021-02-22 01)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"ics-cert@hq.dhs.gov","DATE_PUBLIC":"2021-10-05T19:14:00.000Z","ID":"CVE-2021-38397","STATE":"PUBLIC","TITLE":"Honeywell Experion PKS and ACE Controllers Unrestricted Upload of File with Dangerous Type"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Experion PKS","version":{"version_data":[{"version_affected":"=","version_value":"C200"},{"version_affected":"=","version_value":"C200E"},{"version_affected":"=","version_value":"C300"},{"version_affected":"=","version_value":"ACE controllers"}]}}]},"vendor_name":"Honeywell"}]}},"credit":[{"lang":"eng","value":"Rei Henigman and Nadav Erez of Claroty reported these vulnerabilities to CISA."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Honeywell Experion PKS C200, C200E, C300, and ACE controllers are vulnerable to unrestricted file uploads, which may allow an attacker to remotely execute arbitrary code and cause a denial-of-service condition."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-434: Unrestricted Upload of File with Dangerous Type"}]}]},"references":{"reference_data":[{"name":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-278-04","refsource":"CONFIRM","url":"https://www.cisa.gov/uscert/ics/advisories/icsa-21-278-04"},{"name":"https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf","refsource":"CONFIRM","url":"https://www.honeywellprocess.com/library/support/notifications/Customer/SN2021-02-22-01-Experion-C300-CCL.pdf"}]},"source":{"discovery":"EXTERNAL"},"work_around":[{"lang":"eng","value":"Honeywell recommends users follow all guidance in the Experion Network and Security Planning Guide to prevent attacks by malicious actors.\n\nAdditional information can be found in Honeywell Support document SN2021-02-22-01."}]},"nvd":{"publishedDate":"2022-10-28 02:15:00","lastModifiedDate":"2022-11-02 18:12:00","problem_types":["CWE-434"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":10,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:honeywell:c200_firmware:-:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:honeywell:c200:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:honeywell:c200e_firmware:-:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:honeywell:c200e:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:honeywell:c300_firmware:-:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:honeywell:c300:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]},{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:honeywell:application_control_environment_firmware:-:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:honeywell:application_control_environment:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"38397","Ordinal":"214059","Title":"CVE-2021-38397","CVE":"CVE-2021-38397","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"38397","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}]}}}