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CVE-2022-0567

28
FAUCET Score

CVE-2022-0567 is a critical flaw in ovn-kubernetes that enables a privileged attacker to bypass ingress network policies by creating a specially crafted egress policy. This allows unauthorized access to other pods within a cluster, leading to potential information disclosure and other attacks. With a CVSS score of 9.1 (CRITICAL), the vulnerability is network-exploitable with high privileges and can result in complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion, indicating awareness and potential future interest.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.7.47CPE matchmatch criteria
cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*
>= 4.8.0, < 4.8.36CPE matchmatch criteria
cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*
>= 4.9.0, < 4.9.27CPE matchmatch criteria
cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*
>= 4.10.0, < 4.10.8CPE matchmatch criteria
cpe:2.3:a:ovn:ovn-kubernetes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.00%
Probability of exploitation in next 30 days
EPSS Percentile
59.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0100 is in the 57th percentile among its peer group of 462 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.7 Bluesky, 0.4 Mastodon, and 1.7 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.10Fixed in: openshift4/ose-ovn-kubernetes:v4.10.0-202203311829.p0.gc580607.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.7Fixed in: openshift4/ose-ovn-kubernetes:v4.7.0-202203311831.p0.g385bc8f.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.8Fixed in: openshift4/ose-ovn-kubernetes:v4.8.0-202203311830.p0.gaa2c3f4.assembly.stream
View patch
redhatpatch availablevia redhat_api
Product: Red Hat OpenShift Container Platform 4.9Fixed in: openshift4/ose-ovn-kubernetes:v4.9.0-202203311521.p0.ga6eec84.assembly.stream
View patch

Vendor Advisories (1)

redhatCVE-2022-0567Important

ovn-kubernetes: Ingress network policy can be overruled by egress network policy on another pod

Mar 23, 2022

References

bugzilla.redhat.com / show_bug.cgi
Issue TrackingThird Party Advisory