Cert-manager: potential dos when parsing specially crafted pem inputs
Summary
| CVE | CVE-2024-12401 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2024-12-12 09:15:05 UTC |
| Updated | 2026-06-26 05:16:25 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 4.4 MEDIUM from [email protected]
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.006330000 probability, percentile 0.457870000 (date 2026-06-29)
Problem Types: CWE-20 | CWE-20 Improper Input Validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 4.4 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 4.4 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
HighPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| access.redhat.com/security/cve/CVE-2024-12401 | [email protected] | access.redhat.com | |
| github.com/cert-manager/cert-manager/pull/7403 | [email protected] | github.com | |
| bugzilla.redhat.com/show_bug.cgi | [email protected] | bugzilla.redhat.com | |
| github.com/cert-manager/cert-manager/pull/7401 | [email protected] | github.com | |
| github.com/cert-manager/cert-manager/pull/7400 | [email protected] | github.com | |
| github.com/cert-manager/cert-manager/pull/7402 | [email protected] | github.com | |
| go.dev/issue/50116 | [email protected] | go.dev | |
| github.com/cert-manager/cert-manager/security/advisories/GHSA-r4pg-vg54-... | [email protected] | github.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2024-11-21T23:00:43.367Z | Reported to Red Hat. |
| CNA | 2024-11-21T19:52:52.000Z | Made public. |
There are currently no legacy QID mappings associated with this CVE.