CVE-2021-20199

Rootless containers run with Podman, receive all traffic with a source IP address of 127.0.0.1 (including from remote hosts). This impacts containerized applications that trust localhost (127.0.01) connections by default and do not require authentication. This issue affects Podman 1.8.0 onwards.

• CWE-346

• https://bugzilla.redhat.com/show_bug.cgi?id=1919050Issue Tracking, Third Party Advisory
• https://github.com/containers/podman/issues/5138Exploit, Third Party Advisory
• https://github.com/containers/podman/pull/9052Patch, Third Party Advisory
• https://github.com/rootless-containers/rootlesskit/pull/206Patch, Third Party Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=1919050Issue Tracking, Third Party Advisory
• https://github.com/containers/podman/issues/5138Exploit, Third Party Advisory
• https://github.com/containers/podman/pull/9052Patch, Third Party Advisory
• https://github.com/rootless-containers/rootlesskit/pull/206Patch, Third Party Advisory

Published

Feb 2, 2021

Last Modified

Jun 17, 2026

Status

Modified

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