{"api_version":"1","generated_at":"2026-04-23T02:57:04+00:00","cve":"CVE-2018-6535","urls":{"html":"https://cve.report/CVE-2018-6535","api":"https://cve.report/api/cve/CVE-2018-6535.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-6535","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-6535"},"summary":{"title":"CVE-2018-6535","description":"An issue was discovered in Icinga 2.x through 2.8.1. The lack of a constant-time password comparison function can disclose the password to an attacker.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-02-27 19:29:00","updated_at":"2019-10-03 00:03:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://github.com/Icinga/icinga2/pull/5715","name":"https://github.com/Icinga/icinga2/pull/5715","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"Hash API password and comparison by Crunsher · Pull Request #5715 · Icinga/icinga2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/Icinga/icinga2/issues/4920","name":"https://github.com/Icinga/icinga2/issues/4920","refsource":"CONFIRM","tags":["Third Party Advisory"],"title":"[dev.icinga.com #13993] Hash API password and use time constant password compares · Issue #4920 · Icinga/icinga2 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-6535","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-6535","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"6535","vulnerable":"1","versionEndIncluding":"2.8.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"icinga","cpe5":"icinga","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-6535","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":"An issue was discovered in Icinga 2.x through 2.8.1. The lack of a constant-time password comparison function can disclose the password to an attacker."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://github.com/Icinga/icinga2/pull/5715","refsource":"CONFIRM","url":"https://github.com/Icinga/icinga2/pull/5715"},{"name":"https://github.com/Icinga/icinga2/issues/4920","refsource":"CONFIRM","url":"https://github.com/Icinga/icinga2/issues/4920"}]}},"nvd":{"publishedDate":"2018-02-27 19:29:00","lastModifiedDate":"2019-10-03 00:03:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:icinga:icinga:*:*:*:*:*:*:*:*","versionStartIncluding":"2.0.0","versionEndIncluding":"2.8.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"6535","Ordinal":"122663","Title":"CVE-2018-6535","CVE":"CVE-2018-6535","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"6535","Ordinal":"1","NoteData":"An issue was discovered in Icinga 2.x through 2.8.1. The lack of a constant-time password comparison function can disclose the password to an attacker.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"6535","Ordinal":"2","NoteData":"2018-02-27","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"6535","Ordinal":"3","NoteData":"2018-02-27","Type":"Other","Title":"Modified"}]}}}