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Vulnerability record · CVE-2021-41092 · published 4 October 2021

CVE-2021-41092: Docker command line interface information exposure vulnerability

Docker · Command Line Interface

Docker CLI is the command line interface for the docker container runtime. A bug was found in the Docker CLI where running `docker login my-private-registry.example.com` with a misconfigured configuration file (typically `~/.docker/config.json`) listing a `credsStore` or `credHelpers` that could not be executed would result in any provided credentials being sent to `registry-1.docker.io` rather than the intended private registry. This bug has been fixed in Docker CLI 20.10.9. Users should update to this version as soon as possible. For users unable to update ensure that any configured credsStore or credHelpers entries in the configuration file reference an installed credential helper that is executable and on the PATH.

7.5 CVSS 3.1 High EPSS 1.7% · top 24.4% CWE-200 · Information exposureCWE-522 · Insufficiently protected credentials
7.5CVSS 3.1 base score, v2 5.0
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
10References
17 Jun 2026Last modified by NVD

Description

Docker CLI is the command line interface for the docker container runtime. A bug was found in the Docker CLI where running `docker login my-private-registry.example.com` with a misconfigured configuration file (typically `~/.docker/config.json`) listing a `credsStore` or `credHelpers` that could not be executed would result in any provided credentials being sent to `registry-1.docker.io` rather than the intended private registry. This bug has been fixed in Docker CLI 20.10.9. Users should update to this version as soon as possible. For users unable to update ensure that any configured credsStore or credHelpers entries in the configuration file reference an installed credential helper that is executable and on the PATH.

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

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
https://github.com/docker/cli/commit/893e52cf4ba4b048d72e99748e0f86b2767c6c6b PatchThird Party Advisory
https://github.com/docker/cli/security/advisories/GHSA-99pg-grm5-qq3v Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5Q6G6I4W5COQE25QMC7FJY
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNFADTCHHYWVM6W4NJ6CB4F
https://cert-portal.siemens.com/productcert/pdf/ssa-222547.pdf
https://github.com/docker/cli/commit/893e52cf4ba4b048d72e99748e0f86b2767c6c6b PatchThird Party Advisory
https://github.com/docker/cli/security/advisories/GHSA-99pg-grm5-qq3v Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/B5Q6G6I4W5COQE25QMC7FJY
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNFADTCHHYWVM6W4NJ6CB4F

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Source: NIST National Vulnerability Database (record CVE-2021-41092), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.