4.4

CVE-2024-12401: Cert-manager: potential dos when parsing specially crafted pem inputs

Deferred
AliasesCGA-246h-8893-hx5hCGA-2m4j-hqjw-cgq7CGA-32fq-p89c-v757
Published 12-12-2024Last modified 26-06-2026

Vulnerability summary

CVE-2024-12401 is a medium (CVSS 4.4) Improper Input Validation vulnerability in aws-privateca-issuer. EPSS estimates a 0.67% chance of exploitation in the next 30 days, higher than 52.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.4, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.67%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
OPENSUSE-SU-2024:14599-1CGA-RVW4-9QHJ-WHHF

Timeline

  1. 12-12-2024
    PublishedVulnerability first disclosed.
  2. 26-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 2 versions

EPSS trend

Probability

0.67%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.67% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard14 products
  • aws-privateca-issuer< 1.4.0-r1
  • aws-privateca-issuer-compat< 1.4.0-r1
  • aws-privateca-issuer-compat-fips< 1.4.0-r1
  • aws-privateca-issuer-fips< 1.4.0-r1
  • cert-exporter< 2.13.0-r2
Wolfi8 products
  • aws-privateca-issuer< 1.4.0-r1
  • aws-privateca-issuer-compat< 1.4.0-r1
  • cert-exporter< 2.13.0-r2
  • cert-manager-cmctl< 2.1.1-r1
  • cert-manager-istio-csr< 0.12.0-r1
Github.com/cert-manager1 product
  • cert-manager< 1.12.14 | ≥ 1.13.0-alpha.0, < 1.15.4 | ≥ 1.16.0-alpha.0, < 1.16.2

3 vendors · 23 products

References

17 links
Show all 17 references