{"id":"CVE-2021-36613","aliases":["EUVD-2021-23210","GHSA-2hw5-388c-g7xj"],"status":"published","title":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp...","description":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).","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":0.01946,"percentile":0.80335,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2022-05-11T17:34:34Z","modified":"2026-06-17T03:58:58Z","products":[{"vendor":"mikrotik","product":"routeros"}],"references":[{"url":"https://seclists.org/fulldisclosure/2021/Jul/0","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"http://seclists.org/fulldisclosure/2022/Jun/2","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Exploit","Mailing List","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36613"},{"url":"https://github.com/advisories/GHSA-2hw5-388c-g7xj"}],"sources":{"cve":[{"id":"CVE-2021-36613","description":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).","status":"published","published":"2022-05-11T17:34:34Z","modified":"2024-08-04T01:01:58.594Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23210","description":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).","status":"published","published":"2022-05-11T17:34:34Z","modified":"2024-08-04T01:01:58Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-2hw5-388c-g7xj","title":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp...","description":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).","status":"published","published":"2022-05-12T00:00:39Z","modified":"2023-02-01T05:02:14Z","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-476"],"updated_at":"2026-11-02T14:49:52.298896Z"}],"nvd":[{"id":"CVE-2021-36613","description":"Mikrotik RouterOs before stable 6.48.2 suffers from a memory corruption vulnerability in the ptp process. An authenticated remote attacker can cause a Denial of Service (NULL pointer dereference).","status":"published","published":"2022-05-11T18:15:22.937Z","modified":"2026-06-17T03:58:58.143Z","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-476"],"updated_at":"2026-11-02T14:07:06.029737Z"}]}}