{"id":"CVE-2019-3981","aliases":["EUVD-2019-13588","GHSA-pg5r-4rf5-r7hv"],"status":"published","title":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle...","description":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.","severity":{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01141,"percentile":0.66878,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-300"],"published":"2020-01-14T18:13:57Z","modified":"2026-06-17T02:35:59Z","products":[{"vendor":"mikrotik","product":"routeros"},{"vendor":"mikrotik","product":"winbox"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2020-01","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-3981"},{"url":"https://github.com/advisories/GHSA-pg5r-4rf5-r7hv"}],"sources":{"cve":[{"id":"CVE-2019-3981","description":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.","status":"published","published":"2020-01-14T18:13:57Z","modified":"2024-08-04T19:26:27.758Z","cwes":["CWE-300"],"updated_at":"2026-11-02T14:20:23.048861Z"}],"euvd":[{"id":"EUVD-2019-13588","description":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.","status":"published","published":"2020-01-14T18:13:57Z","modified":"2024-08-04T19:26:27Z","updated_at":"2026-11-03T03:06:54.362786Z"}],"ghsa":[{"id":"GHSA-pg5r-4rf5-r7hv","title":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle...","description":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.","status":"published","published":"2022-05-24T17:06:10Z","modified":"2024-04-04T02:46:26Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T14:56:11.559223Z"}],"nvd":[{"id":"CVE-2019-3981","description":"MikroTik Winbox 3.20 and below is vulnerable to man in the middle attacks. A man in the middle can downgrade the client's authentication protocol and recover the user's username and MD5 hashed password.","status":"published","published":"2020-01-14T19:15:13.187Z","modified":"2026-06-17T02:35:59.523Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-300"],"updated_at":"2026-11-02T14:05:42.416368Z"}]}}