{"id":"CVE-2021-20994","aliases":["EUVD-2021-8403","GHSA-pvcx-jpfw-6gm6"],"status":"published","title":"WAGO: Managed Switches: Reflected Cross-site Scripting","description":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00629,"percentile":0.50607,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-13T13:45:24Z","modified":"2026-06-17T03:34:37Z","products":[{"vendor":"wago","product":"0852-0303"},{"vendor":"wago","product":"0852-0303_firmware"},{"vendor":"wago","product":"0852-1305"},{"vendor":"wago","product":"0852-1305/000-001"},{"vendor":"wago","product":"0852-1305\\/000-001_firmware"},{"vendor":"wago","product":"0852-1305_firmware"},{"vendor":"wago","product":"0852-1505"},{"vendor":"wago","product":"0852-1505/000-001"},{"vendor":"wago","product":"0852-1505\\/000-001_firmware"},{"vendor":"wago","product":"0852-1505_firmware"}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-013","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20994"},{"url":"https://github.com/advisories/GHSA-pvcx-jpfw-6gm6"}],"sources":{"cve":[{"id":"CVE-2021-20994","title":"WAGO: Managed Switches: Reflected Cross-site Scripting","description":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.","status":"published","published":"2021-05-13T13:45:24.684Z","modified":"2024-09-17T01:16:25.472Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:55.19484Z"}],"euvd":[{"id":"EUVD-2021-8403","description":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.","status":"published","published":"2021-05-13T13:45:24Z","modified":"2024-09-17T01:16:25Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:51.310992Z"}],"ghsa":[{"id":"GHSA-pvcx-jpfw-6gm6","title":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate...","description":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.","status":"published","published":"2022-05-24T19:02:23Z","modified":"2023-01-29T05:06:42Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-20994","description":"In multiple managed switches by WAGO in different versions an attacker may trick a legitimate user to click a link to inject possible malicious code into the Web-Based Management.","status":"published","published":"2021-05-13T14:15:17.97Z","modified":"2026-06-17T03:34:37.087Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"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":"2026-11-02T14:06:53.343329Z"}]}}