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CVE-2024-12401

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

Published: Dec 12, 2024Updated: Jun 26, 2026 Sources: CVE List NVD GHSACWE-20
4.4MEDIUM
NVD MITRE
EPSS Score
0.6%
Top 54.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:HPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

Red Hat
commercial·US
cert-manager Operator for Red Hat OpenShiftOn-prem
Cloud & SaaS / cloud-platform
Cryostat 3On-prem
OSS Libraries / generic-library
Multicluster Engine for KubernetesOn-premWeb App
Cloud & SaaS / container-orchestration
OpenShift ServerlessMixedSaaS Service
Cloud & SaaS / container-orchestration
Red Hat Connectivity Link 1SaaSSaaS Service
Cloud & SaaS / api-gateway
Red Hat OpenShift Container Platform 4SaaSSaaS Service
Cloud & SaaS / container-orchestration
Red Hat Openshift Data Foundation 4SaaS
Cloud & SaaS / container-orchestration
Red Hat OpenShift GitOpsOn-prem
Cloud & SaaS / container-orchestration
Go
package-ecosystem
github.com/cert-manager/cert-manager
OSS Libraries
and 1 more affected products View all →

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
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References

https://access.redhat.com/security/cve/CVE-2024-12401
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2327929
bugzilla.redhat.com
https://github.com/cert-manager/cert-manager/pull/7400
github.com
and 7 more references View all →
News mentions
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