CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HCVE-2024-40634
High (7.5) in argoproj argo cd. EPSS 1.4% chance of exploitation in the next 30 days. Fixed in github.com/argoproj/argo-cd/v2 2.10.15, 2.11.6, 2.9.20.
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.
Severity
- EPSS
- 1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)
- CWE
- CWE-400
- Published
- Modified
- Record from
- the NVD, synced
Affected
- argoproj:argo_cd
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-jmvp-698c-4x3w | Go | github.com/argoproj/argo-cd | >=1.0.0 <=1.8.7 | no fix published |
| GHSA-jmvp-698c-4x3w | Go | github.com/argoproj/argo-cd/v2 | <2.9.20 | 2.9.20 |
| GHSA-jmvp-698c-4x3w | Go | github.com/argoproj/argo-cd/v2 | >=2.10.0 <2.10.15 | 2.10.15 |
| GHSA-jmvp-698c-4x3w | Go | github.com/argoproj/argo-cd/v2 | >=2.11.0 <2.11.6 | 2.11.6 |
| GO-2024-3002 | Go | github.com/argoproj/argo-cd | >=1.0.0 | no fix published |
| GO-2024-3002 | Go | github.com/argoproj/argo-cd/v2 | <2.9.20 >=2.10.0 <2.10.15 >=2.11.0 <2.11.6 | 2.9.20, 2.10.15, 2.11.6 |
References
- https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
- https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
- https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
- https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc