CVE-2024-12401

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

Published Dec 12, 2024 CVSS 3.1 · 4.4 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-3471 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.
Github GHSA Github GHSA GHSA-ghw8-3xqw-hhcj Duplicate Advisory: cert-manager ha a potential slowdown / DoS when parsing specially crafted PEM inputs
History
Type Values Removed Values Added
First Time appeared Redhat connectivity Link
CPEs cpe:/a:redhat:hybrid_cloud_gateway:1::el9 cpe:/a:redhat:connectivity_link:1
Vendors & Products Redhat hybrid Cloud Gateway
Redhat connectivity Link
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Cert-manager: potential dos when parsing specially crafted pem inputs
First Time appeared Redhat
Redhat cert Manager
Redhat cryostat
Redhat hybrid Cloud Gateway
Redhat multicluster Engine
Redhat openshift
Redhat openshift Data Foundation
Redhat openshift Gitops
Redhat serverless
Weaknesses CWE-20
CPEs cpe:/a:redhat:cert_manager:1
cpe:/a:redhat:cryostat:3
cpe:/a:redhat:hybrid_cloud_gateway:1::el9
cpe:/a:redhat:multicluster_engine
cpe:/a:redhat:openshift:4
cpe:/a:redhat:openshift_data_foundation:4
cpe:/a:redhat:openshift_gitops:1
cpe:/a:redhat:serverless:1
Vendors & Products Redhat
Redhat cert Manager
Redhat cryostat
Redhat hybrid Cloud Gateway
Redhat multicluster Engine
Redhat openshift
Redhat openshift Data Foundation
Redhat openshift Gitops
Redhat serverless
References
Metrics cvssV3_1

{'score': 4.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Jun 26, 2026, 4:27 AM
Reserved
Dec 10, 2024, 1:30 PM
Status
Deferred
Published
Dec 12, 2024, 9:15 AM
Modified
Jun 26, 2026, 5:16 AM
Severity
Low
Public date
Nov 21, 2024, 7:52 PM