Resource exhaustion in Argoproj Argo-Cd
CVE-2024-40634
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.
Vulnerability class: DoS (Denial of Service)
EPSS: 0.014 (69.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Argoproj Argo-cd — versions >= 1.0.0, < 2.9.20, >= 2.10.0, < 2.10.15, >= 2.11.0, < 2.11.6
- Argoproj Argo_cd
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-40634?
- CVE-2024-40634 is a high-severity vulnerability in Argoproj Argo-Cd, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-07-22.
- How severe is CVE-2024-40634?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-40634 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.