5.9

CVE-2021-20199: podman_project podman Origin Validation Error

Modified
AliasesUBUNTU-CVE-2021-20199DEBIAN-CVE-2021-20199GHSA-grh6-q6m2-rh72
Published 02-02-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-20199 is a medium (CVSS 5.9) Origin Validation Error vulnerability in podman_project podman. EPSS estimates a 1.16% chance of exploitation in the next 30 days, higher than 67.1% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Routine

Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
1.16%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 9 · Related 7
OPENSUSE-SU-2022:23018-1OPENSUSE-SU-2024:11177-1OPENSUSE-SU-2024:11757-1RHSA-2021:1796RHSA-2022:7954SUSE-SU-2022:23018-1

Timeline

  1. 02-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

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 metrics

6 scores · 5 sources · 2 versions

EPSS trend

Probability

1.16%

Chance of exploitation in the next 30 days

Percentile

67%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 1.15% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Podman

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian2 products
  • libpod< 3.0.0~rc2+dfsg1-2
  • rootlesskit< 0.12.0-1
Alpine1 product
  • podman≥ 1.8.0, < 3.0.0-r0
Github.com/containers/podman1 product
  • v3< 3.0.0
Podman_project1 product
Ubuntu1 product
  • libpodAll versions (No fix recorded)

5 vendors · 6 products

References

11 links
Show all 11 references