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CVE-2020-8553

MEDIUMCVSS 5.9/10EPSS 0.89%

Last modified

CVE-2020-8553 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
5.9/10

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N

EPSS Probability
0.89%

54.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
KubernetesIngress-Nginx< 0.28.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.
How severe is CVE-2020-8553?
CVE-2020-8553 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8553?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8553?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST