{"id":"CVE-2020-20267","aliases":["EUVD-2020-13054","GHSA-gjf9-m4fr-wcmp"],"status":"published","title":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the...","description":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.","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":0.01714,"percentile":0.77593,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-787"],"published":"2021-05-11T14:25:04Z","modified":"2026-06-17T03:02:55Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"http://seclists.org/fulldisclosure/2021/May/12","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20267"},{"url":"https://github.com/advisories/GHSA-gjf9-m4fr-wcmp"}],"sources":{"cve":[{"id":"CVE-2020-20267","description":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.","status":"published","published":"2021-05-11T14:25:04Z","modified":"2024-08-04T14:15:28.995Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13054","description":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.","status":"published","published":"2021-05-11T14:25:04Z","modified":"2024-08-04T14:15:28Z","updated_at":"2026-11-03T03:07:24.770982Z"}],"ghsa":[{"id":"GHSA-gjf9-m4fr-wcmp","title":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the...","description":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.","status":"published","published":"2022-05-24T19:02:06Z","modified":"2023-01-27T05:03:16Z","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":"2026-11-02T14:42:12.225813Z"}],"nvd":[{"id":"CVE-2020-20267","description":"Mikrotik RouterOs before 6.47 (stable tree) suffers from a memory corruption vulnerability in the /nova/bin/resolver process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access.","status":"published","published":"2021-05-11T15:15:07.787Z","modified":"2026-06-17T03:02:55.767Z","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"}]}}