{"id":"CVE-2020-20247","aliases":["EUVD-2020-13034","GHSA-6jf8-m9wc-cr9q"],"status":"published","title":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in...","description":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01077,"percentile":0.65286,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-787"],"published":"2021-05-03T15:13:42Z","modified":"2026-06-17T03:02:54Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://seclists.org/fulldisclosure/2020/May/30","tags":["x_refsource_MISC","x_transferred","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20247"},{"url":"https://github.com/advisories/GHSA-6jf8-m9wc-cr9q"}],"sources":{"cve":[{"id":"CVE-2020-20247","description":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.","status":"published","published":"2021-05-03T15:13:42Z","modified":"2024-08-04T14:15:28.792Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13034","description":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.","status":"published","published":"2021-05-03T15:13:42Z","modified":"2024-08-04T14:15:28Z","updated_at":"2026-11-03T03:07:24.770982Z"}],"ghsa":[{"id":"GHSA-6jf8-m9wc-cr9q","title":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in...","description":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.","status":"published","published":"2022-05-24T17:49:24Z","modified":"2023-01-27T05:02:55Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:42:08.04985Z"}],"nvd":[{"id":"CVE-2020-20247","description":"Mikrotik RouterOs before 6.46.5 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/traceroute process. An authenticated remote attacker can cause a Denial of Service due via the loop counter variable.","status":"published","published":"2021-05-03T16:15:07.467Z","modified":"2026-06-17T03:02:54.427Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:39.25999Z"}]}}