CVE-2021-20199

medium

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1919050

https://github.com/containers/podman/issues/5138

https://github.com/containers/podman/pull/9052

https://github.com/rootless-containers/rootlesskit/pull/206

Details

Source: MITRE

Published: 2021-02-02

Updated: 2021-02-26

Type: CWE-346

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM