{"api_version":"1","generated_at":"2026-04-23T20:59:15+00:00","cve":"CVE-2017-9781","urls":{"html":"https://cve.report/CVE-2017-9781","api":"https://cve.report/api/cve/CVE-2017-9781.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2017-9781","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-9781"},"summary":{"title":"CVE-2017-9781","description":"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.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2017-06-21 18:29:00","updated_at":"2023-11-07 02:50:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://www.tenable.com/security/research/tra-2017-21","name":"https://www.tenable.com/security/research/tra-2017-21","refsource":"MISC","tags":["Exploit","Third Party Advisory"],"title":"[R1] Check_MK Multisite Web UI Reflected XSS - Research Advisory | Tenable®","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob;f=.werks/4757;hb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1","name":"http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob;f=.werks/4757;hb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"GitHub - tribe29/checkmk: Checkmk - Best-in-class infrastructure & application monitoring","mime":"text/html","httpstatus":"404","archivestatus":"200"},{"url":"http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1","name":"http://git.mathias-kettner.de/git/?p=check_mk.git%3Ba=blob%3Bf=.werks/4757%3Bhb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1","refsource":"","tags":[],"title":"GitHub - tribe29/checkmk: Checkmk - Best-in-class infrastructure & application monitoring","mime":"text/html","httpstatus":"-1","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-9781","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-9781","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p1","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p3","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p4","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2017","cve_id":"9781","vulnerable":"1","versionEndIncluding":"1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"check_mk_project","cpe5":"check_mk","cpe6":"1.4.0","cpe7":"p5","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2017-9781","qid":"198866","title":"Ubuntu Security Notification for Checkmk Vulnerabilities (USN-5527-1)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2017-9781","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":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob;f=.werks/4757;hb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1","refsource":"CONFIRM","url":"http://git.mathias-kettner.de/git/?p=check_mk.git;a=blob;f=.werks/4757;hb=c248f0b6ff7b15ced9f07a3df8a80fad656ea5b1"},{"name":"https://www.tenable.com/security/research/tra-2017-21","refsource":"MISC","url":"https://www.tenable.com/security/research/tra-2017-21"}]}},"nvd":{"publishedDate":"2017-06-21 18:29:00","lastModifiedDate":"2023-11-07 02:50:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/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},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:p5:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:p4:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:p1:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:p3:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:p2:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:check_mk_project:check_mk:1.4.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2017","CveId":"9781","Ordinal":"106816","Title":"CVE-2017-9781","CVE":"CVE-2017-9781","Year":"2017"},"notes":[{"CveYear":"2017","CveId":"9781","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2017","CveId":"9781","Ordinal":"2","NoteData":"2017-06-21","Type":"Other","Title":"Published"},{"CveYear":"2017","CveId":"9781","Ordinal":"3","NoteData":"2017-11-03","Type":"Other","Title":"Modified"}]}}}