{"id":"CVE-2021-28924","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-28924","generatedAt":"2026-10-27T20:22:55.320Z","title":"Self Authenticated XSS in Nagios Network Analyzer before 2.4.2 via the nagiosna/groups/queries page.","description":"Self Authenticated XSS in Nagios Network Analyzer before 2.4.2 via the nagiosna/groups/queries page.","published":"2021-04-08T13:15:14.000Z","lastModified":"2026-06-17T03:47:03.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["nagios/network analyzer"],"epss":{"score":0.10536,"percentile":0.95738,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://medium.com/stolabs/issues-found-on-nagios-network-analyzer-2-4-2-50ec4ffb5e25","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.nagios.com/downloads/nagios-network-analyzer/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://medium.com/stolabs/issues-found-on-nagios-network-analyzer-2-4-2-50ec4ffb5e25","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.nagios.com/downloads/nagios-network-analyzer/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-28924","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}