CVE-2021-25745

Ingress-nginx path can be pointed to service account token file

Published: May 6, 2022Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-20

7.6HIGH

Description

A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of 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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:LIntegrity

Low

A:LAvailability

Low

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Weaknesses

CWE-20

Affected Products

Kubernetes

oss-project·USaka k8s

Kubernetes ingress-nginxOn-prem

Cloud & SaaS / container-orchestration

package-ecosystem

Exploitability

Official Patch Available

Workaround Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Initial Access

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References

https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc

groups.google.com

https://github.com/kubernetes/ingress-nginx/issues/8502

github.com

https://security.netapp.com/advisory/ntap-20220609-0006/

security.netapp.com

and 3 more references View all →

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