CVE-2024-40634
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.39% probability · 71th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- argoproj/argo cd
- Source
- security-advisories@github.com
References
- https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdcPatch
- https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36Patch
- https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4dfPatch
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3wExploit, Vendor Advisory
- https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdcPatch
- https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36Patch
- https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4dfPatch
- https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3wExploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.