{"id":"CVE-2020-27721","state":"PUBLISHED","title":"In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circum","description":"In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response.","publishedAt":"2020-12-24T14:52:59.000Z","updatedAt":"2024-08-04T16:18:45.676Z","severity":null,"assigner":"f5","products":["n/a BIG-IP GTM & DNS"],"affected":[{"vendor":"n/a","product":"BIG-IP GTM & DNS","versions":[{"version":"16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2","status":"affected"}]}],"references":["https://support.f5.com/csp/article/K52035247"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:11.046Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/27xxx/CVE-2020-27721.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-27721","state":"PUBLISHED","datePublished":"2020-12-24T14:52:59.000Z","dateUpdated":"2024-08-04T16:18:45.676Z","assignerShortName":"f5","assignerOrgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab","dateReserved":"2020-10-26T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response."}],"affected":[{"vendor":"n/a","product":"BIG-IP GTM & DNS","versions":[{"version":"16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2","status":"affected"}]}],"references":[{"url":"https://support.f5.com/csp/article/K52035247","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"description":"DoS","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"f5","dateUpdated":"2020-12-24T14:52:59.000Z","orgId":"9dacffd4-cb11-413f-8451-fbbfd4ddc0ab"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"f5sirt@f5.com","ID":"CVE-2020-27721","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"BIG-IP GTM & DNS","version":{"version_data":[{"version_value":"16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"DoS"}]}]},"references":{"reference_data":[{"name":"https://support.f5.com/csp/article/K52035247","refsource":"MISC","url":"https://support.f5.com/csp/article/K52035247"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://support.f5.com/csp/article/K52035247","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T16:18:45.676Z"}}]}}}