CVE-2024-12401
Cert-manager: potential dos when parsing specially crafted pem inputs
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | Medium4.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Deferred | 3.1 | Medium4.4 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.67% · top 48% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.4.
Weakness
Affected products
cert-manager
- affected ≤ 1.12.14
- affected 1.13.0-alpha.0 – ≤ 1.15.4
- affected 1.16.0-alpha.0 – ≤ 1.16.2
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
All versions: affected
Red Hat · Multicluster Engine for Kubernetes
All versions: affected
Red Hat · Multicluster Engine for Kubernetes
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · OpenShift Serverless
All versions: affected
Red Hat · Red Hat Connectivity Link 1
All versions: affected
Red Hat · Red Hat Connectivity Link 1
All versions: affected
Red Hat · Red Hat OpenShift Container Platform 4
All versions: affected
Red Hat · Red Hat OpenShift Container Platform 4
All versions: affected
Red Hat · Red Hat Openshift Data Foundation 4
All versions: affected
Red Hat · Red Hat OpenShift GitOps
All versions: affected
References (8)
- https://access.redhat.com/security/cve/CVE-2024-12401 (opens in a new tab)vdb-entryx_refsource_REDHAT
- RHBZ#2327929 (opens in a new tab)issue-trackingx_refsource_REDHAT
- https://github.com/cert-manager/cert-manager/pull/7400 (opens in a new tab)
- https://github.com/cert-manager/cert-manager/pull/7401 (opens in a new tab)
- https://github.com/cert-manager/cert-manager/pull/7402 (opens in a new tab)
- https://github.com/cert-manager/cert-manager/pull/7403 (opens in a new tab)
- https://github.com/cert-manager/cert-manager/security/advisories/GHSA-r4pg-vg54-wxx4 (opens in a new tab)
- https://go.dev/issue/50116 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2024-12401)Record last updated .