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CVE-2024-40634

7.5 · HIGH

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes.

Published Jul 22, 2024CWE-400EPSS 1.39%

Overview

CVE-2024-40634 is a high-severity vulnerability. It was published on July 22, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdcGitHubgithub.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36GitHubgithub.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4dfGitHubgithub.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3wGitHubgithub.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdcGitHubgithub.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36GitHubgithub.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4dfGitHubgithub.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w

How CyberStrike helps

Frequently asked questions

What is CVE-2024-40634?

CVE-2024-40634 is a high-severity vulnerability. It was published on July 22, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-40634?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-40634?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-40634?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-40634 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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