{"id":"CVE-2021-27306","aliases":["EUVD-2021-14067","GHSA-vh85-5xw7-5gvq"],"status":"published","title":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.0.0...","description":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01789,"percentile":0.78534,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-706","CWE-863"],"published":"2021-03-18T14:02:16Z","modified":"2026-06-17T03:44:37Z","products":[{"vendor":"konghq","product":"kong_gateway"}],"references":[{"url":"https://docs.konghq.com/enterprise/changelog/#core-1","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27306"},{"url":"https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3"},{"url":"https://github.com/advisories/GHSA-vh85-5xw7-5gvq"}],"sources":{"cve":[{"id":"CVE-2021-27306","description":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.","status":"published","published":"2021-03-18T14:02:16Z","modified":"2024-08-03T20:48:16.395Z","updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14067","description":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.","status":"published","published":"2021-03-18T14:02:16Z","modified":"2024-08-03T20:48:16Z","updated_at":"2026-11-03T03:24:49.368497Z"}],"ghsa":[{"id":"GHSA-vh85-5xw7-5gvq","title":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.0.0...","description":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.0.0 allows unauthenticated users access to authenticated routes without a valid token JWT.","status":"published","published":"2022-05-24T17:44:52Z","modified":"2023-01-27T05:02:43Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:05.930236Z"}],"nvd":[{"id":"CVE-2021-27306","description":"An improper access control vulnerability in the JWT plugin in Kong Gateway prior to 2.3.2.0 allows unauthenticated users access to authenticated routes without a valid token JWT.","status":"published","published":"2021-03-18T15:15:16.23Z","modified":"2026-06-17T03:44:37.693Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-706"],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}