{"cve":"CVE-2021-3273","nvd":{"published":"2021-02-25T14:15:12.517","modified":"2026-06-17T04:04:52.490","status":"Modified","description":"Nagios XI below 5.7 is affected by code injection in the /nagiosxi/admin/graphtemplates.php component. To exploit this vulnerability, someone must have an admin user account in Nagios XI's web system.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","score":7.2},"cwes":["CWE-94"],"references":["https://gist.github.com/leommxj/93edce6f8572cefe79a3d7da4389374e","https://www.nagios.com/downloads/nagios-xi/change-log/","https://gist.github.com/leommxj/93edce6f8572cefe79a3d7da4389374e","https://www.nagios.com/downloads/nagios-xi/change-log/"],"products":["nagios:nagios_xi"],"source":"nvd","synced_at":"2026-10-19T21:15:50.279857260+00:00"},"epss":{"cve":"CVE-2021-3273","score":0.07212,"percentile":0.94315,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}