{"id":"CVE-2021-3273","aliases":["EUVD-2021-26611","GHSA-jj7x-vc24-mq4r"],"status":"published","title":"Nagios XI below 5.7 is affected by code injection in the /nagiosxi/admin/graphtemplates.php...","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.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.07212,"percentile":0.94402,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-02-25T13:32:53Z","modified":"2026-06-17T04:04:52Z","products":[{"vendor":"nagios","product":"nagios_xi"}],"references":[{"url":"https://www.nagios.com/downloads/nagios-xi/change-log/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://gist.github.com/leommxj/93edce6f8572cefe79a3d7da4389374e","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3273"},{"url":"https://github.com/advisories/GHSA-jj7x-vc24-mq4r"}],"sources":{"cve":[{"id":"CVE-2021-3273","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.","status":"published","published":"2021-02-25T13:32:53Z","modified":"2024-08-03T16:53:16.523Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26611","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.","status":"published","published":"2021-02-25T13:32:53Z","modified":"2024-08-03T16:53:16Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-jj7x-vc24-mq4r","title":"Nagios XI below 5.7 is affected by code injection in the /nagiosxi/admin/graphtemplates.php...","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.","status":"published","published":"2022-05-24T17:43:04Z","modified":"2023-01-29T05:05:31Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:45:48.864861Z"}],"nvd":[{"id":"CVE-2021-3273","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.","status":"published","published":"2021-02-25T14:15:12.517Z","modified":"2026-06-17T04:04:52.49Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}