High severity · published Jul 22, 2024
CVE-2024-40634
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes
7.5
CVSS
1.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AC
Argo CD · Argoproj
1.0.0 before 2.9.20; 2.10.0 before 2.10.15; 2.11.0 before 2.11.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-40634
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-40634
Patch
https://github.com/argoproj/argo-cd/commit/46c0c0b64deaab1ece70cb701030b76668ad0cdc
Patch
https://github.com/argoproj/argo-cd/commit/540e3a57b90eb3655db54793332fac86bcc38b36
Patch
https://github.com/argoproj/argo-cd/commit/d881ee78949e23160a0b280bb159e4d3d625a4df
Exploit
https://github.com/argoproj/argo-cd/security/advisories/GHSA-jmvp-698c-4x3w
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