Kyverno
CVE-2022-47633
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Authentication mechanism validation
MITRE ATT&CK
2 techniques across 2 tactics: Defense Evasion, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.1 (HIGH). Attack characteristics: network attack vector, high complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could bypass authentication mechanisms to gain unauthorized access by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
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. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. This Improper Authentication vulnerability could allow attackers to bypass authentication mechanisms to gain unauthorized access.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in go
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Kyverno.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
Affected Products (CPE)NVD
Kyverno Kubernetes policy engine prior to 1.x has a privilege escalation vulnerability (CVSS 9.9) allowing policy bypass
Cross-namespace privilege escalation in Kyverno 1.18.0-1.18.1 lets any tenant who can create a NamespacedMutatingPolicy
Kyverno is a policy engine designed for Kubernetes. Rated high severity (CVSS 8.7), this vulnerability is remotely explo
Kyverno is a policy engine designed for cloud native platform engineering teams. Rated high severity (CVSS 8.5), this vu
Kyverno versions up to 1.16.3 is affected by allocation of resources without limits or throttling (CVSS 7.7).
Kyverno is a policy engine designed for cloud native platform engineering teams. Rated medium severity (CVSS 5.8), this
Kyverno versions 1.16.0 and later contain a server-side request forgery vulnerability in unrestricted CEL HTTP functions
Privilege escalation in Kyverno before 1.19.1 allows an authenticated Kubernetes namespace tenant with Policy/apiCall au
Policy enforcement bypass in Kyverno v1.9.0 through v1.12.7 lets an authenticated Kubernetes user evade an enforce-mode
Kyverno is a policy engine designed for Kubernetes. Rated high severity (CVSS 8.8), this vulnerability is remotely explo
Cross-namespace information disclosure in Kyverno before 1.19.1 allows an authenticated low-privilege tenant to read res
Credential leakage in Kyverno's apiCall service mode automatically forwards the Kubernetes admission controller's Servic
Exploit-DB