CVE-2021-45420

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note: the product has not been supported since 2018 and should be removed or replaced."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2026-07-05T15:46:06.383Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"url": "https://www.swascan.com/emerson"}], "tags": ["unsupported-when-assigned"], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-45420", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "** UNSUPPORTED WHEN ASSIGNED ** Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note: the product has not been supported since 2018 and should be removed or replaced."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://emerson.com", "refsource": "MISC", "url": "http://emerson.com"}, {"name": "http://dixell.com", "refsource": "MISC", "url": "http://dixell.com"}, {"name": "https://www.swascan.com/emerson", "refsource": "MISC", "url": "https://www.swascan.com/emerson"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-09T00:16:07.939Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.swascan.com/emerson"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-45420", "datePublished": "2022-02-14T13:08:52.000Z", "dateReserved": "2021-12-20T00:00:00.000Z", "dateUpdated": "2026-07-09T00:16:07.939Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:emerson:dixell_xweb-500_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "90DFCB3E-8552-438A-8DE8-4DD1814FF596", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:emerson:dixell_xweb-500:-:*:*:*:*:*:*:*", "matchCriteriaId": "A5BEB8EF-721F-480B-ACC6-F6CB812DC76C", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "Emerson Dixell XWEB-500 products are affected by arbitrary file write vulnerability in /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi, and /cgi-bin/lo_utils.cgi. An attacker will be able to write any file on the target system without any kind of authentication mechanism, and this can lead to denial of service and potentially remote code execution. Note: the product has not been supported since 2018 and should be removed or replaced."}, {"lang": "es", "value": "** NO SOPORTADO CUANDO SE ASIGN\u00d3 ** Los productos Emerson Dixell XWEB-500 est\u00e1n afectados por una vulnerabilidad de escritura de archivos arbitrarios en los archivos /cgi-bin/logo_extra_upload.cgi, /cgi-bin/cal_save.cgi y /cgi-bin/lo_utils.cgi. Un atacante podr\u00e1 escribir cualquier archivo en el sistema de destino sin ning\u00fan tipo de mecanismo de autenticaci\u00f3n, y esto puede conllevar a una denegaci\u00f3n de servicio y potencialmente una ejecuci\u00f3n de c\u00f3digo remota. Nota: el producto no presenta soporte desde 2018 y debe ser eliminado o reemplazado"}], "id": "CVE-2021-45420", "lastModified": "2026-07-09T01:17:10.880", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"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": "2022-02-14T14:15:08.083", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.swascan.com/emerson"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.swascan.com/emerson"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-306"}, {"lang": "en", "value": "CWE-668"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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