CVE-2024-40634: argoproj argo_cd Uncontrolled Resource Consumption
Vulnerability summary
CVE-2024-40634 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in argoproj argo_cd. EPSS estimates a 1.39% chance of exploitation in the next 30 days, higher than 71.9% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 0 · Downstream 0 · Related 7Timeline
- 22-07-2024PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
5 scores · 4 sources · 2 versions- OSV · GoEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · ChainguardEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.39%
Chance of exploitation in the next 30 days
Percentile
72%
Versus all other CVEs
30-day change
0.00 pp
From 1.39% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundArgo Cd
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Argoproj2 products
Chainguard1 product
- argo-cd-2.11< 2.11.6-r0
Github.com/argoproj1 product
- argo-cd≥ 1.0.0, ≤ 1.8.7 | ≥ 1.0.0 (No fix recorded)
Github.com/argoproj/argo-cd1 product
- v2< 2.9.20 | ≥ 2.10.0, < 2.10.15 | ≥ 2.11.0, < 2.11.6
4 vendors · 5 products
References
8 links- github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3wX Refsource CONFIRMWEBAdvisoryExploitVendor Advisory
- github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdcX Refsource MISCWEBFIXPatch
- github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36X Refsource MISCWEBFIXPatch
- github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4dfX Refsource MISCWEBFIXPatch
- github.com/argoproj/argo-cdPACKAGE