{"id":"CVE-2020-27717","aliases":["EUVD-2020-20221","GHSA-r4xm-6p48-p6gf"],"status":"published","title":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5...","description":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01301,"percentile":0.70832,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-12-24T15:11:59Z","modified":"2026-06-17T03:09:30Z","products":[{"vendor":"f5","product":"big-ip dns"},{"vendor":"f5","product":"big-ip_domain_name_system"}],"references":[{"url":"https://support.f5.com/csp/article/K43850230","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27717"},{"url":"https://github.com/advisories/GHSA-r4xm-6p48-p6gf"}],"sources":{"cve":[{"id":"CVE-2020-27717","description":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.","status":"published","published":"2020-12-24T15:11:59Z","modified":"2024-08-04T16:18:45.542Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20221","description":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.","status":"published","published":"2020-12-24T15:11:59Z","modified":"2024-08-04T16:18:45Z","updated_at":"2026-11-03T03:07:12.435876Z"}],"ghsa":[{"id":"GHSA-r4xm-6p48-p6gf","title":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5...","description":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.","status":"published","published":"2022-05-24T17:37:13Z","modified":"2023-01-29T05:04:49Z","updated_at":"2026-11-02T14:45:38.830072Z"}],"nvd":[{"id":"CVE-2020-27717","description":"On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.","status":"published","published":"2020-12-24T16:15:14.977Z","modified":"2026-06-17T03:09:30.983Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:28.340168Z"}]}}