What is CVE-2022-0567?

CVE-2022-0567 is a critical-severity vulnerability in Ovn Ovn-Kubernetes, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2022-04-20.

How severe is CVE-2022-0567?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Improper input validation in Ovn Ovn-Kubernetes

CVE-2022-0567

A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in information disclosure and other attacks on other pods that should not be reachable.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-04-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.7th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000

Affected products

Ovn Ovn-Kubernetes
Ovn-Kubernetes — versions OCP v 4.10.8

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2022-0567?: CVE-2022-0567 is a critical-severity vulnerability in Ovn Ovn-Kubernetes, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2022-04-20.
How severe is CVE-2022-0567?: Critical severity. CVSS v3 base score is 9.1 out of 10.