Detections
Analytics

CVE-2021-27306

high

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.

References

https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-14067

https://docs.konghq.com/enterprise/changelog/#core-1

Details

Source: Mitre, NVD

Published: 2021-03-18

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.01789