What is CVE-2022-3466?

CVE-2022-3466 is a medium-severity vulnerability in Kubernetes Cri-O, classified under Incorrect Default Permissions. CVSS score: 4.8/10. Published 2023-09-15.

How severe is CVE-2022-3466?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2022-3466 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Kubernetes Cri-O

CVE-2022-3466

The version of cri-o as released for Red Hat OpenShift Container Platform 4.9.48, 4.10.31, and 4.11.6 via RHBA-2022:6316, RHBA-2022:6257, and RHBA-2022:6658, respectively, included an incorrect version of cri-o missing the fix for CVE-2022-27652, which was previously fixed in OCP 4.9.41 and 4.10.12 via RHBA-2022:5433 and RHSA-2022:1600. This issue could allow an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs. For more details, see https://access.redhat.com/security/cve/CVE-2022-27652.

Published 2023-09-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored 2026-11-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Kubernetes Cri-O
Red Hat Openshift Container Platform 3.11
Red Hat Openshift Container Platform 4.12 — versions 0:1.25.1-5.rhaos4.12.git6005903.el9
Red Hat Openshift Container Platform — versions 3.11, 4.12

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

access.redhat.com/errata/RHSA-2022:7398 (vendor-advisory, Vendor Advisory)
access.redhat.com/security/cve/CVE-2022-3466 (vdb-entry, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (issue-tracking, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2022-3466?: CVE-2022-3466 is a medium-severity vulnerability in Kubernetes Cri-O, classified under Incorrect Default Permissions. CVSS score: 4.8/10. Published 2023-09-15.
How severe is CVE-2022-3466?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2022-3466 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.