{"api_version":"1","generated_at":"2026-07-23T14:46:09+00:00","cve":"CVE-2021-33842","urls":{"html":"https://cve.report/CVE-2021-33842","api":"https://cve.report/api/cve/CVE-2021-33842.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-33842","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-33842"},"summary":{"title":"CVE-2021-33842","description":"Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located.","state":"PUBLIC","assigner":"cve-coordination@incibe.es","published_at":"2021-06-09 12:15:00","updated_at":"2023-11-23 14:15:00"},"problem_types":["CWE-565"],"metrics":[],"references":[{"url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-improper-authentication","name":"https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-improper-authentication","refsource":"CONFIRM","tags":[],"title":"Circutor SGE-PLC1000 improper authentication | INCIBE-CERT","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authentication","name":"https://www.incibe.es/en/incibe-cert/notices/aviso-sci/circutor-sge-plc1000-improper-authentication","refsource":"","tags":[],"title":"Circutor SGE-PLC1000 improper authentication | INCIBE-CERT | INCIBE","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-33842","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33842","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"LEGACY","value":"Industrial Cybersecurity team of S21sec, special mention to Aarón Flecha Menéndez.","lang":""}],"nvd_cpes":[{"cve_year":"2021","cve_id":"33842","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"circutor","cpe5":"sge-plc1000","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"33842","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"circutor","cpe5":"sge-plc1000_firmware","cpe6":"0.9.2b","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve-coordination@incibe.es","DATE_PUBLIC":"2021-06-08T08:00:00.000Z","ID":"CVE-2021-33842","STATE":"PUBLIC","TITLE":"Circutor SGE-PLC1000 improper authentication"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"SGE-PLC1000","version":{"version_data":[{"version_affected":"=","version_name":"0.9.2b","version_value":"0.9.2b"}]}}]},"vendor_name":"Circutor"}]}},"credit":[{"lang":"eng","value":"Industrial Cybersecurity team of S21sec, special mention to Aarón Flecha Menéndez."}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-287: Improper Authentication"}]}]},"references":{"reference_data":[{"name":"https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-improper-authentication","refsource":"CONFIRM","url":"https://www.incibe-cert.es/en/early-warning/ics-advisories/circutor-sge-plc1000-improper-authentication"}]},"solution":[{"lang":"eng","value":"This issue can be solved through a firmware upgrade that has already been released by the vendor."}],"source":{"advisory":"INCIBE-2021-0228","discovery":"EXTERNAL"}},"nvd":{"publishedDate":"2021-06-09 12:15:00","lastModifiedDate":"2023-11-23 14:15:00","problem_types":["CWE-565"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:A/AC:L/Au:S/C:C/I:C/A:C","accessVector":"ADJACENT_NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE","baseScore":7.7},"severity":"HIGH","exploitabilityScore":5.1,"impactScore":10,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:circutor:sge-plc1000_firmware:0.9.2b:*:*:*:*:*:*:*","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:circutor:sge-plc1000:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"33842","Ordinal":"209282","Title":"CVE-2021-33842","CVE":"CVE-2021-33842","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"33842","Ordinal":"1","NoteData":"Improper Authentication vulnerability in the cookie parameter of Circutor SGE-PLC1000 firmware version 0.9.2b allows an attacker to perform operations as an authenticated user. In order to exploit this vulnerability, the attacker must be within the network where the device affected is located.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"33842","Ordinal":"2","NoteData":"2021-06-09","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"33842","Ordinal":"3","NoteData":"2021-06-09","Type":"Other","Title":"Modified"}]}}}