{"id":"CVE-2021-46559","aliases":["EUVD-2021-33235","GHSA-4vj4-c65w-6944"],"status":"published","title":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to...","description":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00436,"percentile":0.38188,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-327","CWE-345"],"published":"2022-01-26T01:11:00Z","modified":"2026-06-17T04:15:09Z","products":[{"vendor":"moxa","product":"tn-5900_firmware"}],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/tn-5900-secure-routers-vulnerabilities","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-46559"},{"url":"https://github.com/advisories/GHSA-4vj4-c65w-6944"}],"sources":{"cve":[{"id":"CVE-2021-46559","description":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.","status":"published","published":"2022-01-26T01:11:00Z","modified":"2024-08-04T05:10:35.328Z","updated_at":"2026-11-02T14:33:02.930115Z"}],"euvd":[{"id":"EUVD-2021-33235","description":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.","status":"published","published":"2022-01-26T01:11:00Z","modified":"2024-08-04T05:10:35Z","updated_at":"2026-11-03T03:08:23.048944Z"}],"ghsa":[{"id":"GHSA-4vj4-c65w-6944","title":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to...","description":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.","status":"published","published":"2022-01-27T00:01:36Z","modified":"2023-08-08T15:31:37Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-327"],"updated_at":"2026-11-02T14:54:44.111289Z"}],"nvd":[{"id":"CVE-2021-46559","description":"The firmware on Moxa TN-5900 devices through 3.1 has a weak algorithm that allows an attacker to defeat an inspection mechanism for integrity protection.","status":"published","published":"2022-01-26T02:15:07.317Z","modified":"2026-06-17T04:15:09.74Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}