Vulnerability record · CVE-2021-20199 · published 2 February 2021

CVE-2021-20199: Podman project podman origin validation error vulnerability

Podman Project · Podman

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.

5.9 CVSS 3.1 Medium EPSS 1.1% · top 34.4% CWE-346 · Origin validation error

5.9CVSS 3.1 base score, v2 4.3

1.1%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

8References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Podman Podman Project

References

Link	Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1919050	Issue TrackingThird Party Advisory
https://github.com/containers/podman/issues/5138	ExploitThird Party Advisory
https://github.com/containers/podman/pull/9052	PatchThird Party Advisory
https://github.com/rootless-containers/rootlesskit/pull/206	PatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1919050	Issue TrackingThird Party Advisory
https://github.com/containers/podman/issues/5138	ExploitThird Party Advisory
https://github.com/containers/podman/pull/9052	PatchThird Party Advisory
https://github.com/rootless-containers/rootlesskit/pull/206	PatchThird Party Advisory

Track CVE-2021-20199 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2019-25067Podman project podman vulnerabilityA vulnerability, which was classified as critical, was found in Podman and Varlink 1.5.1. This affects an unknown part of the component API. The mani…EPSS 2.6%9 Jun 2022 8.8CVE-2022-1227Podman project podman improper privilege management vulnerabilityA privilege escalation flaw was found in Podman. This flaw allows an attacker to publish a malicious image to a public registry. Once this image is d…EPSS 4.2%29 Apr 2022 7.7CVE-2024-3056Podman project podman uncontrolled resource consumption vulnerabilityA flaw was found in Podman. This issue may allow an attacker to create a specially crafted container that, when configured to share the same IPC with…EPSS 0.55%2 Aug 2024 7.5CVE-2026-57231Podman project podman information exposure vulnerabilityPodman is a tool for managing OCI containers and pods. From 1.8.1 until 5.8.4, a container image that contains a environment variable with just a key…EPSS 0.44%26 Jun 2026 7.5CVE-2022-2738Redhat enterprise linux server use after free vulnerabilityThe version of podman as released for Red Hat Enterprise Linux 7 Extras via RHSA-2022:2190 advisory included an incorrect version of podman missing t…EPSS 0.91%1 Sep 2022 7.5CVE-2022-27649Podman project podman incorrect default permissions vulnerabilityA flaw was found in Podman, where containers were started incorrectly with non-empty default permissions. A vulnerability was found in Moby (Docker E…EPSS 1.4%4 Apr 2022 7.1CVE-2022-2989Podman project podman incorrect authorization vulnerabilityAn incorrect handling of the supplementary groups in the Podman container engine might lead to the sensitive information disclosure or possible data …EPSS 0.32%13 Sep 2022 7.0CVE-2021-20188Podman project podman incorrect authorization vulnerabilityA flaw was found in podman before 1.7.0. File permissions for non-root users running in a privileged container are not correctly checked. This flaw c…EPSS 0.26%11 Feb 2021

Source: NIST National Vulnerability Database (record CVE-2021-20199), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.