CVE-2021-20199

PoC —

CVSS 3.1

5.9 medium

EPSS

1%p65

Published

Feb 2, 2021 (Feb 2, 2021)

Modified

Jun 17, 2026

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.

Vendors: podman project
Products: podman
Weakness: CWE-346
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (1.1%)

In the news0 stories

No ingested article mentions this CVE yet.