{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2021-26642", "assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "assignerShortName": "krcert", "dateUpdated": "2025-04-03T16:59:58.376Z", "dateReserved": "2021-02-03T00:00:00.000Z", "datePublished": "2023-01-20T00:00:00.000Z"}, "containers": {"cna": {"title": "XpressEngine file upload vulnerability", "providerMetadata": {"orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert", "dateUpdated": "2023-01-20T00:00:00.000Z"}, "descriptions": [{"lang": "en", "value": "When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running."}], "affected": [{"vendor": "XEHub", "product": "XE3 XpresesEngine", "versions": [{"version": "3.0.14", "status": "affected", "lessThanOrEqual": "3.0.14", "versionType": "custom"}], "platforms": ["Windows"]}], "references": [{"url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type", "cweId": "CWE-434"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.639Z"}, "title": "CVE Program Container", "references": [{"url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-04-02T15:40:36.668565Z", "id": "CVE-2021-26642", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-03T16:59:58.376Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:26:25.639Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-26642", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-04-02T15:40:36.668565Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-04-02T15:40:44.433Z"}}], "cna": {"title": "XpressEngine file upload vulnerability", "source": {"discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "XEHub", "product": "XE3 XpresesEngine", "versions": [{"status": "affected", "version": "3.0.14", "versionType": "custom", "lessThanOrEqual": "3.0.14"}], "platforms": ["Windows"]}], "references": [{"url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "descriptions": [{"lang": "en", "value": "When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-434", "description": "CWE-434 Unrestricted Upload of File with Dangerous Type"}]}], "providerMetadata": {"orgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "shortName": "krcert", "dateUpdated": "2023-01-20T00:00:00.000Z"}}}, "cveMetadata": {"cveId": "CVE-2021-26642", "state": "PUBLISHED", "dateUpdated": "2025-04-03T16:59:58.376Z", "dateReserved": "2021-02-03T00:00:00.000Z", "assignerOrgId": "cdd7a122-0fae-4202-8d86-14efbacc2863", "datePublished": "2023-01-20T00:00:00.000Z", "assignerShortName": "krcert"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:xpressengine:xpressengine:*:*:*:*:*:*:*:*", "matchCriteriaId": "F7B83BE4-8720-4FAE-BBD5-C2C2F5BC0F1E", "versionEndExcluding": "3.0.14", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "When uploading an image file to a bulletin board developed with XpressEngine, a vulnerability in which an arbitrary file can be uploaded due to insufficient verification of the file. A remote attacker can use this vulnerability to execute arbitrary code on the server where the bulletin board is running."}, {"lang": "es", "value": "Al cargar un archivo de imagen en un tablero de anuncios desarrollado con XpressEngine, se presenta una vulnerabilidad en la que se puede cargar un archivo arbitrario debido a una verificaci\u00f3n insuficiente del archivo. Un atacante remoto puede utilizar esta vulnerabilidad para ejecutar c\u00f3digo arbitrario en el servidor donde se ejecuta el tabl\u00f3n de anuncios."}], "id": "CVE-2021-26642", "lastModified": "2024-11-21T05:56:38.840", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-01-20T17:15:10.300", "references": [{"source": "vuln@krcert.or.kr", "tags": ["Third Party Advisory"], "url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=67125"}], "sourceIdentifier": "vuln@krcert.or.kr", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-434"}], "source": "vuln@krcert.or.kr", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-434"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}