CVE-2021-27306

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-27306
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.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References
Link Resource
https://docs.konghq.com/enterprise/changelog/#core-1 Vendor Advisory
https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3
Configurations

Configuration 1 (hide)

cpe:2.3:a:konghq:kong_gateway:*:*:*:*:enterprise:*:*:*
History

07 Nov 2023, 03:31

Type Values Removed Values Added
References
  • {'url': 'https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3', 'name': 'https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3', 'tags': ['Exploit', 'Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • () https://medium.com/%40sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 -

12 Jul 2022, 17:42

Type Values Removed Values Added
CWE CWE-863 CWE-706

24 Mar 2021, 12:36

Type Values Removed Values Added
References (MISC) https://docs.konghq.com/enterprise/changelog/#core-1 - (MISC) https://docs.konghq.com/enterprise/changelog/#core-1 - Vendor Advisory
References (MISC) https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 - (MISC) https://medium.com/@sew.campos/cve-2021-27306-access-an-authenticated-route-on-kong-api-gateway-6ae3d81968a3 - Exploit, Patch, Third Party Advisory
CPE cpe:2.3:a:konghq:kong_gateway:*:*:*:*:enterprise:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 7.5
CWE CWE-863

19 Mar 2021, 14:15

Type Values Removed Values Added
Summary 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. 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.

18 Mar 2021, 15:16

Type Values Removed Values Added
New CVE
Information

Published : 2021-03-18 15:15

Updated : 2023-12-10 13:41

NVD link : CVE-2021-27306

Mitre link : CVE-2021-27306

CVE.ORG link : CVE-2021-27306

JSON object : View

Products Affected

konghq

  • kong_gateway
CWE
CWE-706

Use of Incorrectly-Resolved Name or Reference