VULNERABILITY INTELLIGENCE

CVE-2021-20199

CVSS score5.9 MEDIUM
EPSS probability1.16%
CISA KEVNot currently listed
Published2021-02-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

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.

Weakness classification

  • CWE-346: Origin Validation Error

Primary references