Auth bypass in Kyverno
CVE-2022-47633
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.
Vulnerability class: Broken Authentication
EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Kyverno — versions 1.8.3, 1.8.4
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Product)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47633?
- CVE-2022-47633 is a high-severity vulnerability in Kyverno, classified under Improper Authentication. CVSS score: 8.1/10. Published 2022-12-23.
- How severe is CVE-2022-47633?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2022-47633 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.