{"api_version":"1","generated_at":"2026-07-23T14:59:26+00:00","cve":"CVE-2021-26633","urls":{"html":"https://cve.report/CVE-2021-26633","api":"https://cve.report/api/cve/CVE-2021-26633.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-26633","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-26633"},"summary":{"title":"CVE-2021-26633","description":"SQL injection and Local File Inclusion (LFI) vulnerabilities in MaxBoard can cause information leakage and privilege escalation. This vulnerabilities can be exploited by manipulating a variable with a desired value and inserting and arbitrary file.","state":"PUBLIC","assigner":"vuln@krcert.or.kr","published_at":"2022-06-02 14:15:00","updated_at":"2022-06-09 17:18:00"},"problem_types":["CWE-89"],"metrics":[],"references":[{"url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66745","name":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66745","refsource":"MISC","tags":[],"title":"Security Advisory | KrCERT/CC - KISA 인터넷 보호나라&KrCERT","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-26633","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26633","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"26633","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"linux","cpe5":"linux_kernel","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"26633","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"maxb","cpe5":"maxboard","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":"vuln@krcert.or.kr","ID":"CVE-2021-26633","STATE":"PUBLIC","TITLE":"Maxboard SQL injection and LFI vulnerability"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"MaxBoard","version":{"version_data":[{"platform":"Linux","version_affected":"<=","version_value":"1.9.3.3"}]}}]},"vendor_name":"Max Yi"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"SQL injection and Local File Inclusion (LFI) vulnerabilities in MaxBoard can cause information leakage and privilege escalation. This vulnerabilities can be exploited by manipulating a variable with a desired value and inserting and arbitrary file."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-89 SQL Injection"}]}]},"references":{"reference_data":[{"refsource":"MISC","url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66745","name":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66745"}]},"source":{"discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-06-02 14:15:00","lastModifiedDate":"2022-06-09 17:18:00","problem_types":["CWE-89"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"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:a:maxb:maxboard:*:*:*:*:*:*:*:*","versionEndExcluding":"1.9.4","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"26633","Ordinal":"201704","Title":"CVE-2021-26633","CVE":"CVE-2021-26633","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"26633","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}]}}}