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CVE-2021-25746

nvd nist
Published: May 6, 2022Modified: Jun 17, 2026

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7.1
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Exploitability: 2.8 / Impact: 4.2
Source: NVD

Description

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.

Affected (1)

Kubernetes
1 product
Ingress Nginx
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Ingress Nginx
Before 1.2.0

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (6)

Source: jordan@liggitt.net
Issue TrackingMitigationThird Party Advisory
Source: jordan@liggitt.net
Issue TrackingMitigationThird Party Advisory
Source: jordan@liggitt.net
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingMitigationThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingMitigationThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.