CVE-2020-8565

Name: CVE-2020-8565
Creator: NVD / NIST
Published: 2020-12-07T22:15:21.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.51%

Last modified Jun 17, 2026

CVE-2020-8565 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. EPSS estimates a 0.51% chance of exploitation in the next 30 days.

Description

In Kubernetes, if the logging level is set to at least 9, authorization and bearer tokens will be written to log files. This can occur both in API server logs and client tool output like kubectl. This affects <= v1.19.3, <= v1.18.10, <= v1.17.13, < v1.20.0-alpha2.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.51%

39.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Kubernetes	Kubernetes	>= 1.17.0, <= 1.17.13
Kubernetes	Kubernetes	>= 1.18.0, <= 1.18.10
Kubernetes	Kubernetes	>= 1.19.0, <= 1.19.3

References

https://github.com/kubernetes/kubernetes/issues/95623Third Party Advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJMailing List, Patch, Third Party Advisory
https://github.com/kubernetes/kubernetes/issues/95623Third Party Advisory
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJMailing List, Patch, Third Party Advisory

Timeline

Published: Dec 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8565?

How severe is CVE-2020-8565?

CVE-2020-8565 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8565?

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-2020-8565?

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

Scan your code now

Source: NVD / NIST