{"id":"CVE-2021-3127","details":"NATS Server 2.x before 2.2.0 and JWT library before 2.0.1 have Incorrect Access Control because Import Token bindings are mishandled.","aliases":["BIT-nats-2021-3127","GHSA-62mh-w5cv-p88c","GHSA-9r5x-fjv3-q6h4","GHSA-j756-f273-xhp4","GO-2022-0386"],"modified":"2026-07-09T01:25:14.184903Z","published":"2021-03-16T20:15:13.300Z","related":["CGA-3xwf-56gh-qxqq"],"references":[{"type":"EVIDENCE","url":"https://advisories.nats.io/CVE/CVE-2021-3127.txt"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nats-io/jwt","events":[{"introduced":"0"},{"fixed":"22bf1cf3386b569ad632f92d4e944c27ddecd875"}],"database_specific":{"cpe":"cpe:2.3:a:nats:jwt_library:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"fixed":"2.0.1"}],"source":"CPE_RANGE"}}],"versions":["v1.2.2","v2.0.0","v1.2.1","v1.2.0","v1.1.1","v1.0.1","v1.0.0","v0.3.2","v0.3.0","v0.2.16","v0.2.14","v0.2.12","v0.2.10","v0.2.8","v0.2.6","v0.2.4","v0.2.2","v0.2.0","v0.0.8","v0.0.6","v0.0.5","v0.0.4","v0.0.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3127.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/nats-io/nats-server","events":[{"introduced":"e12e56aef4089d8376e22b03cbc2e5b97321f049"},{"fixed":"0e3c7230e4b7c85795592f74a62351f6fe22fcbd"}],"database_specific":{"cpe":"cpe:2.3:a:linuxfoundation:nats-server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"2.0.0"},{"fixed":"2.2.0"}],"source":"CPE_RANGE"}}],"versions":["v2.1.7","v2.1.6","v2.1.4","v2.1.2","v2.1.0","v2.0.4","v2.0.2","v2.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-3127.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}