Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:*:*:*:*:*:*:*", "matchCriteriaId": "C3877AA7-4BAF-4C0E-B157-ED2473ACC72A", "vulnerable": true}, {"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:p1:*:*:*:*:*:*", "matchCriteriaId": "BF31D012-B7D8-4218-8DF0-9497287FC3BE", "vulnerable": true}, {"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:p2:*:*:*:*:*:*", "matchCriteriaId": "0022EF65-24D5-403E-8824-75BC928FC88F", "vulnerable": true}, {"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:p3:*:*:*:*:*:*", "matchCriteriaId": "8F375250-FC89-4FEE-BE18-5724136EF89E", "vulnerable": true}, {"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:p4:*:*:*:*:*:*", "matchCriteriaId": "91C50D90-64F3-45EF-B5D8-DA689D4FC0C0", "vulnerable": true}, {"criteria": "cpe:2.3:a:check_mk_project:check_mk:1.4.0:p5:*:*:*:*:*:*", "matchCriteriaId": "39911FDF-8755-425E-937C-9AA6E4A3BA7E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A cross site scripting (XSS) vulnerability exists in Check_MK versions 1.4.0x prior to 1.4.0p6, allowing an unauthenticated remote attacker to inject arbitrary HTML or JavaScript via the _username parameter when attempting authentication to webapi.py, which is returned unencoded with content type text/html."}, {"lang": "es", "value": "Existe una vulnerabilidad de Cross-Site Scripting (XSS) en Check_MK, en versiones 1.4.0x anteriores a la 1.4.0p6, que permite que un atacante remoto no autenticado inyecte HTML o JavaScript arbitrarios mediante el par\u00e1metro _username al intentar autenticarse en webapi.py, que se devuelve sin cifrar con el tipo de contenido texto/html."}], "id": "CVE-2017-9781", "lastModified": "2025-04-20T01:37:25.860", "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}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-06-21T18:29:00.387", "references": [{"source": "cve@mitre.org", "url": "http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2017-21"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://www.tenable.com/security/research/tra-2017-21"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}