CVE-2020-8565

Incomplete fix for CVE-2019-11250 allows for token leak in logs when logLevel >= 9

CVSS 4.7 MEDIUMEPSS 0.5%CWE-532

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 4.7EPSS 0.5%KEV nãoPoC —Patch —

Lifecycle

07 Dec 2020Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Kubernetes · Kubernetes

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References

https://github.com/kubernetes/kubernetes/issues/95623 https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ