CVE-2024-40634
HIGHArgo CD < 2.9.20 - Unauthenticated Denial of Service via Large JSON Payload to Webhook Endpoint
Title source: llmDescription
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.
References (4)
Core 4
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
Patch x_refsource_misc
https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
Patch x_refsource_misc
https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
Scores
CVSS v3
7.5
EPSS
0.0139
EPSS Percentile
68.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-400
Status
published
Products (3)
argoproj/argo-cd
0 - 2.9.20Go
argoproj/argo-cd
1.0.0Go
argoproj/argo_cd
1.0.0 - 2.9.20
Published
Jul 22, 2024
Tracked Since
Feb 18, 2026