CVE-2022-47633

Name: CVE-2022-47633
Creator: NVD / NIST
Published: 2022-12-23T23:15:08.973+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.96%

Last modified Jun 17, 2026

CVE-2022-47633 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

An image signature validation bypass vulnerability in Kyverno 1.8.3 and 1.8.4 allows a malicious image registry (or a man-in-the-middle attacker) to inject unsigned arbitrary container images into a protected Kubernetes cluster. This is fixed in 1.8.5. This has been fixed in 1.8.5 and mitigations are available for impacted releases.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Kyverno	Kyverno	1.8.3
Kyverno	Kyverno	1.8.4

References

https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5Patch, Third Party Advisory
https://github.com/kyverno/kyverno/pull/5713Patch, Third Party Advisory
https://github.com/kyverno/kyverno/releases/tag/v1.8.5Release Notes, Third Party Advisory
https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvmPatch, Third Party Advisory
https://kyverno.io/docs/writing-policies/verify-images/Product
https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5Patch, Third Party Advisory
https://github.com/kyverno/kyverno/pull/5713Patch, Third Party Advisory
https://github.com/kyverno/kyverno/releases/tag/v1.8.5Release Notes, Third Party Advisory
https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvmPatch, Third Party Advisory
https://kyverno.io/docs/writing-policies/verify-images/Product

Timeline

Published: Dec 23, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-47633?

How severe is CVE-2022-47633?

CVE-2022-47633 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.

How do I fix CVE-2022-47633?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-47633?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST