{"id":"CVE-2021-37351","aliases":["EUVD-2021-23920","GHSA-837c-9cp4-5j9q"],"status":"published","title":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated...","description":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-13","score":0.02833,"percentile":0.86849,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276"],"published":"2021-08-13T11:29:50Z","modified":"2026-06-17T04:00:23Z","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://nvd.nist.gov/vuln/detail/CVE-2021-37351"},{"url":"https://github.com/advisories/GHSA-837c-9cp4-5j9q"}],"sources":{"cve":[{"id":"CVE-2021-37351","description":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.","status":"published","published":"2021-08-13T11:29:50Z","modified":"2024-08-04T01:16:04.04Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-23920","description":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.","status":"published","published":"2021-08-13T11:29:50Z","modified":"2024-08-04T01:16:04Z","updated_at":"2026-11-03T03:24:27.725787Z"}],"ghsa":[{"id":"GHSA-837c-9cp4-5j9q","title":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated...","description":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.","status":"published","published":"2022-05-24T19:11:07Z","modified":"2023-01-30T05:01:31Z","cwes":["CWE-276"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2021-37351","description":"Nagios XI before version 5.8.5 is vulnerable to insecure permissions and allows unauthenticated users to access guarded pages through a crafted HTTP request to the server.","status":"published","published":"2021-08-13T12:15:07.243Z","modified":"2026-06-17T04:00:23.81Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-276"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}