{"id":"CVE-2021-41803","aliases":["BIT-consul-2021-41803","GHSA-hr3v-8cp3-68rf","GO-2024-2683"],"url":"https://o3.security/vulnerability/CVE-2021-41803","summary":"HashiCorp Consul does not properly validate node or segment names prior to usage in JWT claim assertions","details":"HashiCorp Consul 1.8.1 up to 1.11.8, 1.12.4, and 1.13.1 do not properly validate the node or segment names prior to interpolation and usage in JWT claim assertions with the auto config RPC. Fixed in 1.11.9, 1.12.5, and 1.13.2.\"","published":"2022-09-23T01:15:08.623Z","modified":"2026-08-07T08:12:12.986627427Z","cvss":{"score":7.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.11.9"},{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.12.5"},{"ecosystem":"Go","name":"github.com/hashicorp/consul","fixedVersion":"1.13.2"}],"fix":{"url":"https://github.com/hashicorp/consul/pull/14577/commits/2c881259ce10e308ff03afc968c4165998fd7fee","label":"hashicorp/consul#14577"},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI/"},{"type":"ADVISORY","url":"https://discuss.hashicorp.com/t/hcsec-2022-19-consul-auto-config-jwt-authorization-missing-input-validation/44627"},{"type":"ADVISORY","url":"https://www.hashicorp.com/blog/category/consul"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41803"},{"type":"WEB","url":"https://github.com/hashicorp/consul/pull/14577/commits/2c881259ce10e308ff03afc968c4165998fd7fee"},{"type":"PACKAGE","url":"https://github.com/hashicorp/consul"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LYZOKMMVX4SIEHPJW3SJUQGMO5YZCPHC"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XNF4OLYZRQE75EB5TW5N42FSXHBXGWFE"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTE4ITXXPIWZEQ4HYQCB6N6GZIMWXDAI"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T08:12:12.986627427Z"}}