{"api_version":"1","generated_at":"2026-04-23T13:35:30+00:00","cve":"CVE-2021-4285","urls":{"html":"https://cve.report/CVE-2021-4285","api":"https://cve.report/api/cve/CVE-2021-4285.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-4285","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4285"},"summary":{"title":"CVE-2021-4285","description":"A vulnerability classified as problematic was found in Nagios NCPA. This vulnerability affects unknown code of the file agent/listener/templates/tail.html. The manipulation of the argument name leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to address this issue. The name of the patch is 5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5. It is recommended to upgrade the affected component. VDB-216874 is the identifier assigned to this vulnerability.","state":"PUBLIC","assigner":"cna@vuldb.com","published_at":"2022-12-27 11:15:00","updated_at":"2023-11-07 03:40:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://github.com/NagiosEnterprises/ncpa/pull/834","name":"https://github.com/NagiosEnterprises/ncpa/pull/834","refsource":"MISC","tags":[],"title":"Merge maint into master by jomann09 · Pull Request #834 · NagiosEnterprises/ncpa · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/NagiosEnterprises/ncpa/commit/5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5","name":"https://github.com/NagiosEnterprises/ncpa/commit/5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5","refsource":"MISC","tags":[],"title":"fix XSS issue in log tailing · NagiosEnterprises/ncpa@5abbcd7 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://vuldb.com/?ctiid.216874","name":"https://vuldb.com/?ctiid.216874","refsource":"MISC","tags":[],"title":"CVE-2021-4285 | Nagios NCPA tail.html cross site scripting (ID 834)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/NagiosEnterprises/ncpa/releases/tag/v2.4.0","name":"https://github.com/NagiosEnterprises/ncpa/releases/tag/v2.4.0","refsource":"MISC","tags":[],"title":"Release NCPA - 2.4.0 · NagiosEnterprises/ncpa · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://vuldb.com/?id.216874","name":"https://vuldb.com/?id.216874","refsource":"MISC","tags":[],"title":"CVE-2021-4285 | Nagios NCPA tail.html cross site scripting (ID 834)","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-4285","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4285","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"4285","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"nagios","cpe5":"nagios_cross_platform_agent","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2021-4285","ASSIGNER":"cna@vuldb.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"A vulnerability classified as problematic was found in Nagios NCPA. This vulnerability affects unknown code of the file agent/listener/templates/tail.html. The manipulation of the argument name leads to cross site scripting. The attack can be initiated remotely. Upgrading to version 2.4.0 is able to address this issue. The name of the patch is 5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5. It is recommended to upgrade the affected component. VDB-216874 is the identifier assigned to this vulnerability."},{"lang":"deu","value":"In Nagios NCPA wurde eine Schwachstelle entdeckt. Sie wurde als problematisch eingestuft. Hierbei betrifft es unbekannten Programmcode der Datei agent/listener/templates/tail.html. Durch das Beeinflussen des Arguments name mit unbekannten Daten kann eine cross site scripting-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Ein Aktualisieren auf die Version 2.4.0 vermag dieses Problem zu lösen. Der Patch wird als 5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5 bezeichnet. Als bestmögliche Massnahme wird das Einspielen eines Upgrades empfohlen."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79 Cross Site Scripting","cweId":"CWE-79"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Nagios","product":{"product_data":[{"product_name":"NCPA","version":{"version_data":[{"version_value":"n/a","version_affected":"="}]}}]}}]}},"references":{"reference_data":[{"url":"https://vuldb.com/?id.216874","refsource":"MISC","name":"https://vuldb.com/?id.216874"},{"url":"https://vuldb.com/?ctiid.216874","refsource":"MISC","name":"https://vuldb.com/?ctiid.216874"},{"url":"https://github.com/NagiosEnterprises/ncpa/pull/834","refsource":"MISC","name":"https://github.com/NagiosEnterprises/ncpa/pull/834"},{"url":"https://github.com/NagiosEnterprises/ncpa/commit/5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5","refsource":"MISC","name":"https://github.com/NagiosEnterprises/ncpa/commit/5abbcd7aa26e0fc815e6b2b0ffe1c15ef3e8fab5"},{"url":"https://github.com/NagiosEnterprises/ncpa/releases/tag/v2.4.0","refsource":"MISC","name":"https://github.com/NagiosEnterprises/ncpa/releases/tag/v2.4.0"}]},"impact":{"cvss":[{"version":"3.1","baseScore":3.5,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","baseSeverity":"LOW"},{"version":"3.0","baseScore":3.5,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N","baseSeverity":"LOW"}]}},"nvd":{"publishedDate":"2022-12-27 11:15:00","lastModifiedDate":"2023-11-07 03:40:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:nagios:nagios_cross_platform_agent:*:*:*:*:*:*:*:*","versionEndExcluding":"2.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}