{"api_version":"1","generated_at":"2026-07-24T18:59:41+00:00","cve":"CVE-2021-27676","urls":{"html":"https://cve.report/CVE-2021-27676","api":"https://cve.report/api/cve/CVE-2021-27676.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-27676","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-27676"},"summary":{"title":"CVE-2021-27676","description":"Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.","state":"PUBLISHED","assigner":"mitre","published_at":"2021-05-26 11:15:08","updated_at":"2026-07-09 01:16:48"},"problem_types":["CWE-79","n/a"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"3.5","severity":"","vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}}],"references":[{"url":"https://github.com/centreon/centreon/pull/9587","name":"https://github.com/centreon/centreon/pull/9587","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"],"title":"fix(security) sanitize notification dependency forms by loiclau · Pull Request #9587 · centreon/centreon · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"http://centreon.com","name":"http://centreon.com","refsource":"MITRE","tags":[],"title":"Centreon | Supervision Informatique : Infrastuctures Hybrides, Cloud, AIOps","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-27676","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27676","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"27676","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"centreon","cpe5":"centreon","cpe6":"20.10.2","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2021","cve_id":"27676","cve":"CVE-2021-27676","epss":"0.006140000","percentile":"0.452670000","score_date":"2026-07-12","updated_at":"2026-07-13 00:07:38"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2026-07-09T00:12:46.625Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/centreon/centreon/pull/9587"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2026-07-04T23:53:14.298Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://github.com/centreon/centreon/pull/9587"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-27676","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":"Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://centreon.com","refsource":"MISC","url":"http://centreon.com"},{"name":"https://github.com/centreon/centreon/pull/9587","refsource":"MISC","url":"https://github.com/centreon/centreon/pull/9587"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2021-27676","datePublished":"2021-05-26T10:20:38.000Z","dateReserved":"2021-02-25T00:00:00.000Z","dateUpdated":"2026-07-09T00:12:46.625Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2021-05-26 11:15:08","lastModifiedDate":"2026-07-09 01:16:48","problem_types":["CWE-79","n/a"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:centreon:centreon:20.10.2:*:*:*:*:*:*:*","matchCriteriaId":"E0D9A8BF-BA27-4CB3-B235-A46138F478DC"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"27676","Ordinal":"1","Title":"CVE-2021-27676","CVE":"CVE-2021-27676","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"27676","Ordinal":"1","NoteData":"Centreon version 20.10.2 is affected by a cross-site scripting (XSS) vulnerability. The dep_description (Dependency Description) and dep_name (Dependency Name) parameters are vulnerable to stored XSS. A user has to log in and go to the Configuration > Notifications > Hosts page.","Type":"Description","Title":"CVE-2021-27676"},{"CveYear":"2021","CveId":"27676","Ordinal":"2","NoteData":"2021-05-26","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"27676","Ordinal":"3","NoteData":"2021-05-26","Type":"Other","Title":"Modified"}]}}}