CVE-2021-27306

Published: Mar 18, 2021Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

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.

Affected (1)

Products: Konghq: Kong Gateway

Konghq

1 product

Kong Gateway

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Konghq Kong Gateway	Before 2.3.2.0

Related CWEs

CWE-706

Use of Incorrectly-Resolved Name or Reference

The product uses a name or reference to access a resource, but the name/reference resolves to a resource that is outside of the intended control sphere.

References (4)

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

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

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

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.