CVE-2024-40634CWE-400

Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint

High · published July 22, 2024

CVSS v3.1
7.5
EPSS
1%
Percentile
72.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01392 · 72.2th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2024-07-22T17:22Z
EPSS history
Timeline
  • 22 JUL 17:22Z
    Argo CD Unauthenticated Denial of Service (DoS) Vulnerability via /api/webhook Endpoint
    cvelistv5