CVE-2024-12401

MEDIUM 4.4

Cert-manager: potential dos when parsing specially crafted pem inputs

CVSS Score

4.4

EPSS Score

0.1%

EPSS Percentile

25th

A flaw was found in the cert-manager package. This flaw allows an attacker who can modify PEM data that the cert-manager reads, for example, in a Secret resource, to use large amounts of CPU in the cert-manager controller pod to effectively create a denial-of-service (DoS) vector for the cert-manager in the cluster.

CWE	CWE-20
Published	Dec 12, 2024
Last Updated	Mar 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Red Hat / cert-manager Operator for Red Hat OpenShift

All versions affected

Red Hat / cert-manager Operator for Red Hat OpenShift

All versions affected

Red Hat / cert-manager Operator for Red Hat OpenShift

All versions affected

Red Hat / cert-manager Operator for Red Hat OpenShift

All versions affected

Red Hat / Cryostat 3

All versions affected

Red Hat / Multicluster Engine for Kubernetes

All versions affected

Red Hat / Multicluster Engine for Kubernetes

All versions affected