CVE-2024-40634 - CVE House

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Status published High CVE-2024-40634

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

7.5 CVSS

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from argoproj

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Argo CD is Vulnerable to Unauthenticated Remote DoS via malformed Azure DevOps git.push webhook

argo-cd is vulnerable to unauthenticated DoS attack via malformed Gogs webhook payload

Affected Vendor

argoproj

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Affected Software

argo-cd

Vulnerable Versions:

>= 1.0.0, < 2.9.20, >= 2.10.0, < 2.10.15, >= 2.11.0, < 2.11.6

Timeline

Official Publish: July 22nd, 2024

Last Modified: August 2nd, 2024

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service