All vulnerabilities

Servers and applications

CVE-2021-20199

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.

Severity
Medium 5.9
Published
2 Feb 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
3.0.0
Sources
NVD

Affected software

SoftwareAffected versions
PodmanServers and applications · cpe:a:podman_project:podman
  • From 1.8.0 before 3.0.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-20199
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-20199