{"id":"CVE-2020-28918","aliases":["EUVD-2020-21309","GHSA-gw6r-2xfv-2c8w"],"status":"published","title":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in...","description":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01096,"percentile":0.66055,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-02-16T19:57:39Z","modified":"2026-06-17T03:10:49Z","products":[{"vendor":"deepnetsecurity","product":"dualshield"}],"references":[{"url":"https://deepnetsecurity.com/multi-factor-authentication/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://excellium-services.com/cert-xlm-advisory/CVE-2020-28918","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://cds.thalesgroup.com/en/tcs-cert/CVE-2020-28918"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-28918"},{"url":"https://deepnetsecurity.com/multi-factor-authentication"},{"url":"https://github.com/advisories/GHSA-gw6r-2xfv-2c8w"}],"sources":{"cve":[{"id":"CVE-2020-28918","description":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message.","status":"published","published":"2021-02-16T19:57:39Z","modified":"2025-05-30T16:01:37.418Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:35:57.017407Z"}],"euvd":[{"id":"EUVD-2020-21309","description":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message.","status":"published","published":"2021-02-16T19:57:39Z","modified":"2025-05-30T16:01:37Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:L/I:N/PR:N/S:U/UI:N","level":"medium"}],"updated_at":"2026-11-02T20:32:34.145186Z"}],"ghsa":[{"id":"GHSA-gw6r-2xfv-2c8w","title":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in...","description":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message.","status":"published","published":"2022-05-24T17:42:18Z","modified":"2025-05-30T18:31:47Z","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":"2026-11-02T15:02:31.34634Z"}],"nvd":[{"id":"CVE-2020-28918","description":"DualShield 5.9.8.0821 allows username enumeration on its login form. A valid username results in prompting for the password, whereas an invalid one will produce an \"unknown username\" error message.","status":"published","published":"2021-02-16T20:15:15.657Z","modified":"2026-06-17T03:10:49.527Z","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":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":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}