CVE Vulnerability

CVE-2021-25746

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use .metadata.annotations in an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.

5.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

7.1 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://groups.google.com/g/kubernetes-security-announce/c/hv2-SfdqcfQ Issue Tracking Mitigation
https://github.com/kubernetes/ingress-nginx/issues/8503 Issue Tracking Mitigation
https://security.netapp.com/advisory/ntap-20220609-0006/ Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*
Information

Published : 2022-05-06 01:15

Updated : 2022-12-02 11:05

NVD link : CVE-2021-25746

Mitre link : CVE-2021-25746

Products Affected
No products.
CWE
CWE-20