{"id":"CVE-2021-20995","aliases":["EUVD-2021-8404","GHSA-h3wh-323m-4h77"],"status":"published","title":"WAGO: Managed Switches: Storage of user credentials in a cookie","description":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00542,"percentile":0.4588,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-312"],"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-2021-20995"},{"url":"https://github.com/advisories/GHSA-h3wh-323m-4h77"}],"sources":{"cve":[{"id":"CVE-2021-20995","title":"WAGO: Managed Switches: Storage of user credentials in a cookie","description":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.","status":"published","published":"2021-05-13T13:45:24.828Z","modified":"2024-09-17T04:24:28.648Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8404","description":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.","status":"published","published":"2021-05-13T13:45:24Z","modified":"2024-09-17T04:24:28Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:23.50734Z"}],"ghsa":[{"id":"GHSA-h3wh-323m-4h77","title":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based...","description":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.","status":"published","published":"2022-05-24T19:02:22Z","modified":"2023-01-29T05:06:41Z","cwes":["CWE-312"],"updated_at":"2026-11-02T14:46:04.961867Z"}],"nvd":[{"id":"CVE-2021-20995","description":"In multiple managed switches by WAGO in different versions the webserver cookies of the web based UI contain user credentials.","status":"published","published":"2021-05-13T14:15:18.007Z","modified":"2026-06-17T03:34:37.237Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-312"],"updated_at":"2026-11-02T14:06:53.343329Z"}]}}