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MEDIUM · 5.9

CVE-2020-8553

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingr...

Vulnerability Description

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.

CVSS Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
KubernetesIngress-Nginx< 0.28.0

Related Weaknesses (CWE)

CWE-73CWE-610

References

FAQ

What is CVE-2020-8553?

CVE-2020-8553 is a vulnerability with a CVSS score of 5.9 (MEDIUM). The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingr...

How severe is CVE-2020-8553?

CVE-2020-8553 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-8553?

Check the references section above for vendor advisories and patch information. Affected products include: Kubernetes Ingress-Nginx.