{"id":"CVE-2020-20264","aliases":["EUVD-2020-13051","GHSA-269w-vfjc-88w7"],"status":"published","title":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch...","description":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.","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":"2026-11-09","score":0.02098,"percentile":0.81824,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-369"],"published":"2021-05-19T11:19:57Z","modified":"2026-06-17T03:02:55Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://github.com/cq674350529/pocs_slides/blob/master/pocs/MikroTik/vul_netwatch/README.md","tags":["x_refsource_MISC","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://seclists.org/fulldisclosure/2021/May/11","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20264"},{"url":"https://github.com/advisories/GHSA-269w-vfjc-88w7"}],"sources":{"cve":[{"id":"CVE-2020-20264","description":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.","status":"published","published":"2021-05-19T11:19:57Z","modified":"2024-08-04T14:15:28.819Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13051","description":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.","status":"published","published":"2021-05-19T11:19:57Z","modified":"2024-08-04T14:15:28Z","updated_at":"2026-11-03T03:07:24.770982Z"}],"ghsa":[{"id":"GHSA-269w-vfjc-88w7","title":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch...","description":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.","status":"published","published":"2022-05-24T19:02:48Z","modified":"2023-01-29T05:06:17Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:45:59.496932Z"}],"nvd":[{"id":"CVE-2020-20264","description":"Mikrotik RouterOs before 6.47 (stable tree) in the /ram/pckg/advanced-tools/nova/bin/netwatch process. An authenticated remote attacker can cause a Denial of Service due to a divide by zero error.","status":"published","published":"2021-05-19T12:15:07.77Z","modified":"2026-06-17T03:02:55.397Z","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-369"],"updated_at":"2026-11-02T14:06:39.25999Z"}]}}