CVE-2021-20199: Podman Project Podman

Medium severity, CVSS 5.9. EPSS: 1.1% chance of exploitation in the next 30 days.

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.

Affected products

• Podman Project Podman: from 1.8.0, before 3.0.0 (fixed in 3.0.0)

Published 2021-02-02. Last modified 2026-06-17.