{"id":"CVE-2019-9509","aliases":["EUVD-2019-18883","GHSA-pcgh-c3ww-gxh7"],"status":"published","title":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected cross site scripting","description":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS in an HTTP POST parameter. The web application does not neutralize user-controllable input before displaying to users in a web page, which could allow a remote attacker authenticated with a user account to execute arbitrary code.","severity":{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.00917,"percentile":0.6046,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-03-30T20:50:26Z","modified":"2026-06-17T02:43:51Z","products":[{"vendor":"vertiv","product":"avocent umg-4000"},{"vendor":"vertiv","product":"avocent_umg-4000_firmware"}],"references":[{"url":"https://www.vertiv.com/en-us/support/software-download/it-management/avocent-universal-management-gateway-appliance--software-downloads/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.vertiv.com/en-us/support/software-download/software/trellis-enterprise-and-quick-start-solutions-software-downloads/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-9509"},{"url":"https://github.com/advisories/GHSA-pcgh-c3ww-gxh7"}],"sources":{"cve":[{"id":"CVE-2019-9509","title":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected cross site scripting","description":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS in an HTTP POST parameter. The web application does not neutralize user-controllable input before displaying to users in a web page, which could allow a remote attacker authenticated with a user account to execute arbitrary code.","status":"published","published":"2020-03-30T20:50:26.611Z","modified":"2024-09-16T20:01:41.057Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:20.081405Z"}],"euvd":[{"id":"EUVD-2019-18883","description":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS in an HTTP POST parameter. The web application does not neutralize user-controllable input before displaying to users in a web page, which could allow a remote attacker authenticated with a user account to execute arbitrary code.","status":"published","published":"2020-03-30T20:50:26Z","modified":"2024-09-16T20:01:41Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:17.735013Z"}],"ghsa":[{"id":"GHSA-pcgh-c3ww-gxh7","title":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS...","description":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS in an HTTP POST parameter. The web application does not neutralize user-controllable input before displaying to users in a web page, which could allow a remote attacker authenticated with a user account to execute arbitrary code.","status":"published","published":"2022-05-24T17:12:58Z","modified":"2023-01-29T05:02:05Z","updated_at":"2026-11-02T14:44:59.173471Z"}],"nvd":[{"id":"CVE-2019-9509","description":"The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to reflected XSS in an HTTP POST parameter. The web application does not neutralize user-controllable input before displaying to users in a web page, which could allow a remote attacker authenticated with a user account to execute arbitrary code.","status":"published","published":"2020-03-30T22:15:14.367Z","modified":"2026-06-17T02:43:51.053Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:46.451008Z"}]}}