CVE-2024-40634

Summary

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. This report details a security vulnerability in Argo CD, where an unauthenticated attacker can send a specially crafted large JSON payload to the /api/webhook endpoint, causing excessive memory allocation that leads to service disruption by triggering an Out Of Memory (OOM) kill. The issue poses a high risk to the availability of Argo CD deployments. This vulnerability is fixed in 2.11.6, 2.10.15, and 2.9.20.

Affected Software

VendorProductVersion RangeStatus
argoprojargo-cd>= 1.0.0, < 2.9.20affected
argoprojargo-cd>= 2.10.0, < 2.10.15affected
argoprojargo-cd>= 2.11.0, < 2.11.6affected

Weaknesses

  • CWE-400: CWE-400: Uncontrolled Resource Consumption

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References