7.5
HIGH
CVE-2024-40634
Argo CD JSON payload Denial of Service (DoS)
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.

INFO

Published Date :

July 22, 2024, 6:15 p.m.

Last Modified :

Jan. 9, 2025, 4:55 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2024-40634 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linuxfoundation argo-cd
1 Argoproj argo_cd

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-40634 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-40634 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jan. 09, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST NVD-CWE-noinfo
    Added CPE Configuration OR *cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* versions from (including) 1.0.0 up to (excluding) 2.9.20 *cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* versions from (including) 2.10.0 up to (excluding) 2.10.15 *cpe:2.3:a:argoproj:argo_cd:*:*:*:*:*:*:*:* versions from (including) 2.11.0 up to (excluding) 2.11.6
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc No Types Assigned https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc No Types Assigned https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36 No Types Assigned https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36 Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36 No Types Assigned https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36 Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df No Types Assigned https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df No Types Assigned https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df Patch
    Changed Reference Type https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w No Types Assigned https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w Exploit, Vendor Advisory
    Changed Reference Type https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w No Types Assigned https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w Exploit, Vendor Advisory
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
    Added Reference https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
    Added Reference https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df
    Added Reference https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
  • CVE Received by [email protected]

    Jul. 22, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference GitHub, Inc. https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w [No types assigned]
    Added Reference GitHub, Inc. https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc [No types assigned]
    Added Reference GitHub, Inc. https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36 [No types assigned]
    Added Reference GitHub, Inc. https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df [No types assigned]
    Added CWE GitHub, Inc. CWE-400
    Added CVSS V3.1 GitHub, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-40634 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-40634 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability