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CVE-2024-12401

16
FAUCET Score

CVE-2024-12401 is a denial-of-service vulnerability affecting the cert-manager package. An attacker with the ability to modify PEM data within a Secret resource can trigger excessive CPU usage in the cert-manager controller pod, leading to a DoS condition. This vulnerability has a medium severity CVSS score of 4.4, indicating a network attack vector with high attack complexity and high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE match
cpe:2.3:a:redhat:multicluster_engine_for_kubernetes:*:*:*:*:*:*:*:*
All Versions ImpactedCPE match
cpe:2.3:a:redhat:openshift_serverless:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.4MEDIUM

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
0.7
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 65th percentile among its peer group of 687 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (31)

gopatch availablevia ghsa
Product: github.com/cert-manager/cert-managerFixed in: 1.12.14
gopatch availablevia ghsa
Product: github.com/cert-manager/cert-managerFixed in: 1.15.4
gopatch availablevia ghsa
Product: github.com/cert-manager/cert-managerFixed in: 1.16.2
microsoftpatch availablevia msrc
Product: azl3 cert-manager 1.12.15-1 on Azure Linux 3.0Fixed in: 1.12.15-1
microsoftpatch availablevia msrc
Product: 17150-16823Fixed in: 1.11.2-18
microsoftpatch availablevia msrc
Product: 19817-17086Fixed in: 1.11.2-18
microsoftpatch availablevia msrc
Product: 17538-17084Fixed in: 1.12.15-1
microsoftpatch availablevia msrc
Product: 17531-17084Fixed in: 1.12.15-1
microsoftpatch availablevia msrc
Product: azl3 cert-manager 1.12.13-2 on Azure Linux 3.0Fixed in: 1.12.15-1
microsoftpatch availablevia msrc
Product: cbl2 cert-manager 1.11.2-18 on CBL Mariner 2.0Fixed in: 1.11.2-18
microsoftpatch availablevia msrc
Product: cbl2 cert-manager 1.11.2-22 on CBL Mariner 2.0Fixed in: 1.11.2-18
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-service-9-rhel9
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-activator-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-autoscaler-hpa-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-autoscaler-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-controller-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-queue-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-storage-version-migration-rhel8
redhatvendor investigatingvia redhat_api
Product: OpenShift ServerlessFixed in: openshift-serverless-1/serving-webhook-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Connectivity Link 1Fixed in: rhcl-operator-bundle-container
redhatvendor investigatingvia redhat_api
Product: Red Hat Connectivity Link 1Fixed in: rhcl-operator-container
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-agent-installer-api-server-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-contour-rhel8
redhatvendor investigatingvia redhat_api
Product: Red Hat Openshift Data Foundation 4Fixed in: odf4/rook-ceph-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Red Hat OpenShift GitOpsFixed in: openshift-gitops-1/gitops-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: cert-manager Operator for Red Hat OpenShiftFixed in: cert-manager/cert-manager-operator-bundle
redhatvendor investigatingvia redhat_api
Product: cert-manager Operator for Red Hat OpenShiftFixed in: cert-manager/cert-manager-operator-rhel9
redhatvendor investigatingvia redhat_api
Product: cert-manager Operator for Red Hat OpenShiftFixed in: cert-manager/jetstack-cert-manager-acmesolver-rhel9
redhatvendor investigatingvia redhat_api
Product: cert-manager Operator for Red Hat OpenShiftFixed in: cert-manager/jetstack-cert-manager-rhel9
redhatvendor investigatingvia redhat_api
Product: Cryostat 3Fixed in: cryostat-tech-preview/cryostat-rhel8-operator
redhatvendor investigatingvia redhat_api
Product: Multicluster Engine for KubernetesFixed in: multicluster-engine/assisted-service-8-rhel8

Vendor Advisories (3)

goGHSA-ghw8-3xqw-hhcjmedium

Duplicate Advisory: cert-manager ha a potential slowdown / DoS when parsing specially crafted PEM inputs

Dec 12, 2024
microsoft2024-Dec/CVE-2024-12401Moderate

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

Dec 10, 2024
redhatCVE-2024-12401Low

cert-manager: potential DoS when parsing specially crafted PEM inputs

Nov 21, 2024

References

access.redhat.com / security/cve/CVE-2024-12401
bugzilla.redhat.com / show_bug.cgi
github.com / cert-manager/cert-manager/pull/7400
github.com / cert-manager/cert-manager/pull/7401
github.com / cert-manager/cert-manager/pull/7402
github.com / cert-manager/cert-manager/pull/7403
github.com / cert-manager/cert-manager/security/advisories/GHSA-r4pg-vg54-wxx4
go.dev / issue/50116