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.

CVSS v3 7.1 HIGH
CVSS v2.0 5.5 MEDIUM

7.1^/10

CVSS v3 : HIGH

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

5.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:N

Exploitability : 8.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2022-05-06 01:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-25746

Mitre link : CVE-2021-25746

CVE.ORG link : CVE-2021-25746

JSON object : View

Products Affected

kubernetes

ingress-nginx

CWE

CWE-20

Improper Input Validation

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