Kyverno
CVE-2024-48921
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK
1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 8.7 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
Kyverno is a policy engine designed for Kubernetes. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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 under CWE-285. Kyverno is a policy engine designed for Kubernetes. A kyverno ClusterPolicy, ie. "disallow-privileged-containers," can be overridden by the creation of a PolicyException in a random namespace. By design, PolicyExceptions are consumed from any namespace. Administrators may not recognize that this allows users with privileges to non-kyverno namespaces to create exceptions. This vulnerability is fixed in 1.13.0. Affected products include: Nirmata Kyverno.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Primary rating from Vendor (github) · only source for this CVE.
CVSS VectorVendor: github
DescriptionCVE.org
Kyverno is a policy engine designed for Kubernetes. A kyverno ClusterPolicy, ie. "disallow-privileged-containers," can be overridden by the creation of a PolicyException in a random namespace. By design, PolicyExceptions are consumed from any namespace. Administrators may not recognize that this allows users with privileges to non-kyverno namespaces to create exceptions. This vulnerability is fixed in 1.13.0.
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)CVE.org
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 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
Server-side request forgery in Kyverno's Kubernetes admission controller (all versions before 1.18.0) enables any authen
Exploit-DB