{"id":"CVE-2020-12758","aliases":["BIT-consul-2020-12758","GHSA-q2qr-3c2p-9235","GO-2022-0861"],"url":"https://o3.security/vulnerability/CVE-2020-12758","summary":"Denial of Service (DoS) in HashiCorp Consul","details":"HashiCorp Consul and Consul Enterprise could crash when configured with an abnormally-formed service-router entry. Introduced in 1.6.0, fixed in 1.6.6 and 1.7.4.","published":"2020-06-11T20:15:11.100Z","modified":"2026-07-08T23:34:23.371400Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.01709,"percentile":0.75204,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.6.6"},{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.7.4"}],"fix":{"url":"https://github.com/hashicorp/consul/pull/7783","label":"hashicorp/consul#7783"},"references":[{"type":"ADVISORY","url":"https://github.com/hashicorp/consul/blob/v1.6.6/CHANGELOG.md"},{"type":"ADVISORY","url":"https://github.com/hashicorp/consul/blob/v1.7.4/CHANGELOG.md"},{"type":"FIX","url":"https://github.com/hashicorp/consul/pull/7783"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T23:34:23.371400Z"}}