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CVE-2020-8564

Docker config secrets leaked when file is malformed and loglevel >= 4

Medium4.7EPSS 0.47%
Published
Updated
Reserved
Assigned by
kubernetes

Description

In Kubernetes clusters using a logging level of at least 4, processing a malformed docker config file will result in the contents of the docker config file being leaked, which can include pull secrets or other registry credentials. This affects < v1.19.3, < v1.18.10, < v1.17.13.

Scores

CVSS scores of CVE-2020-8564, by who scored it
Scored byCVSSScoreVector
kubernetesCNA (assigner)3.1Medium4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVDNVD · Modified3.1Medium5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS (exploitation in 30 days)
0.47% · top 60% of all CVEs (2 Nov 2026)

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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.7.

Weakness

Affected products

  • Kubernetes · Kubernetes

    • affected < 1.19.3
    • affected < 1.18.10
    • affected < 1.17.13

Affected packages

From reviewed advisories of the GitHub Advisory Database.

What to do

Workaround: Do not enable verbose logging in production (log level >= 4), limit access to logs.

References (3)

Sources

The same CVE in the primary databases and aggregators, to check against.

Record last updated .