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{"affected": [{"affectedData": [{"product": "Nagios XI", "vendor": "Nagios", "versions": [{"status": "affected", "version": "<5.8.4"}]}], "source": "disclosure@synopsys.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nagios:nagios_xi:*:*:*:*:*:*:*:*", "matchCriteriaId": "A848F75F-F83E-432B-8F35-224537640749", "versionEndExcluding": "5.8.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The general user interface in Nagios XI versions prior to 5.8.4 is vulnerable to authenticated reflected cross-site scripting. An authenticated victim, who accesses a specially crafted malicious URL, would unknowingly execute the attached payload."}, {"lang": "es", "value": "La interfaz general de usuario en Nagios XI versiones anteriores a 5.8.4, es vulnerable a un ataque de tipo cross-site scripting reflejado autenticado. Una v\u00edctima autenticada, que accede a una URL maliciosa especialmente dise\u00f1ada, podr\u00eda ejecutar sin saberlo la carga \u00fatil adjunta"}], "id": "CVE-2021-33179", "lastModified": "2026-06-17T03:54:18.750", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-10-14T15:15:09.093", "references": [{"source": "disclosure@synopsys.com", "tags": ["Third Party Advisory"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.synopsys.com/blogs/software-security/cyrc-advisory-nagios-xi"}], "sourceIdentifier": "disclosure@synopsys.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@synopsys.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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