{"id":"CVE-2020-13820","aliases":["EUVD-2020-6035","GHSA-g3w5-xmfj-m528"],"status":"published","title":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET...","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04178,"percentile":0.90984,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-08-03T16:22:57Z","modified":"2026-06-17T02:53:43Z","exploits":[{"source":"nuclei","id":"CVE-2020-13820","title":"Extreme Management Center 8.4.1.24 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-13820.yaml"}],"products":[{"vendor":"extremenetworks","product":"extreme_management_center"}],"references":[{"url":"https://gtacknowledge.extremenetworks.com","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://gtacknowledge.extremenetworks.com/articles/Solution/000051136","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://documentation.extremenetworks.com/release_notes/netsight/XMC_8.5.0_Release_Notes.pdf","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://medium.com/%400x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13820"},{"url":"https://medium.com/@0x00crash/xss-reflected-in-extreme-management-center-8-4-1-24-cve-2020-13820-c6febe951219"},{"url":"https://github.com/advisories/GHSA-g3w5-xmfj-m528"}],"sources":{"cve":[{"id":"CVE-2020-13820","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","status":"published","published":"2020-08-03T16:22:57Z","modified":"2024-08-04T12:25:16.558Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-6035","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","status":"published","published":"2020-08-03T16:22:57Z","modified":"2024-08-04T12:25:16Z","updated_at":"2026-11-03T03:07:36.6695Z"}],"ghsa":[{"id":"GHSA-g3w5-xmfj-m528","title":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET...","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","status":"published","published":"2022-05-24T17:24:51Z","modified":"2023-01-29T05:03:27Z","updated_at":"2026-11-02T14:45:19.492424Z"}],"nvd":[{"id":"CVE-2020-13820","description":"Extreme Management Center 8.4.1.24 allows unauthenticated reflected XSS via a parameter in a GET request.","status":"published","published":"2020-08-03T17:15:11.573Z","modified":"2026-06-17T02:53:43.24Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}