{"id":"CVE-2020-13820","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-13820","generatedAt":"2026-10-27T22:32:53.475Z","title":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","published":"2020-08-03T17:15:12.000Z","lastModified":"2026-06-17T02:53:43.000Z","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":["extremenetworks/extreme management center"],"epss":{"score":0.04178,"percentile":0.90845,"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":"low","text":"Lower severity and a low EPSS score (4.18%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://gtacknowledge.extremenetworks.com","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://gtacknowledge.extremenetworks.com/articles/Solution/000051136","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219","source":"cve@mitre.org"},{"url":"https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gtacknowledge.extremenetworks.com","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://gtacknowledge.extremenetworks.com/articles/Solution/000051136","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-13820","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."}