7.5

CVE-2024-40634: argoproj argo_cd Uncontrolled Resource Consumption

CVSS: 7.5v3.1HighAnalyzed
AliasesGHSA-jmvp-698c-4x3wBIT-argo-cd-2024-40634GO-2024-3002
Published 22-07-2024Last modified 02-08-2024

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.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.39%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 0 · Related 7

Timeline

  1. 22-07-2024
    PublishedVulnerability first disclosed.
  2. 02-08-2024
    Last 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

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

20-09-202620-10-2026
EPSS score
1.39%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Argo Cd

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Argoproj2 products
  • argo_cd≥ 1.0.0, < 2.9.20 | ≥ 2.10.0, < 2.10.15 | ≥ 2.11.0, < 2.11.6
  • argo-cd≥ 1.0.0, < 2.9.20 | ≥ 2.10.0, < 2.10.15 | ≥ 2.11.0, < 2.11.6
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