CVE-2022-47633

HIGH

Kyverno < 1.8.5 - Authentication Bypass

Title source: rule

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.

References (5)

[Patch, Third Party Advisory] https://github.com/kyverno/kyverno/compare/v1.8.4...v1.8.5

[Patch, Third Party Advisory] https://github.com/kyverno/kyverno/pull/5713

[Release Notes, Third Party Advisory] https://github.com/kyverno/kyverno/releases/tag/v1.8.5

[Patch, Third Party Advisory] https://github.com/kyverno/kyverno/security/advisories/GHSA-m3cq-xcx9-3gvm

[Product] https://kyverno.io/docs/writing-policies/verify-images/

Scores

CVSS v3 8.1

EPSS 0.0018

EPSS Percentile 39.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-287

Status published

Products (3)

kyverno/kyverno 1.8.3

kyverno/kyverno 1.8.4

kyverno/kyverno 1.8.3 - 1.8.5Go

Published Dec 23, 2022

Tracked Since Feb 18, 2026