Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Podman Project | Podman | >= 1.8.0, < 3.0.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1919050Issue TrackingThird Party Advisory
- https://github.com/containers/podman/issues/5138ExploitThird Party Advisory
- https://github.com/containers/podman/pull/9052PatchThird Party Advisory
- https://github.com/rootless-containers/rootlesskit/pull/206PatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1919050Issue TrackingThird Party Advisory
- https://github.com/containers/podman/issues/5138ExploitThird Party Advisory
- https://github.com/containers/podman/pull/9052PatchThird Party Advisory
- https://github.com/rootless-containers/rootlesskit/pull/206PatchThird Party Advisory
FAQ
What is CVE-2021-20199?
CVE-2021-20199 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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) co...
How severe is CVE-2021-20199?
CVE-2021-20199 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20199?
Check the references section above for vendor advisories and patch information. Affected products include: Podman Project Podman.