Database/Container, Kubernetes & orchestration
Cilium: A user who can create CiliumNetworkPolicy in one namespace affects traffic cluster-wide
CVSS 6.9CVE-2023-41333Container, Kubernetes & orchestrationcurated
Impact
A user who can create CiliumNetworkPolicy in one namespace affects traffic cluster-wide; cross-tenant policy tampering
Who can reach it
Cluster user with namespace access
What to do
Rolling Cilium upgrade
References
Related entries
- Cilium: Agent race condition drops pod labels, so the wrong (often more permissive) policy appliesCVE-2024-42488 · CiliumMedium
- Cilium: On agent start, eBPF programs are briefly detached, so traffic bypasses NetworkPolicyCVE-2023-27595 · CiliumMedium
- Cilium: Insecure default Access-Control-Allow-Origin in Hubble UI exposes sensitive observability dataCVE-2025-23047 · CiliumMedium
- Cilium: WireGuard transparent encryption not applied to some pod trafficCVE-2024-25630 · CiliumMedium
- Cilium: With an external kvstore and WireGuard, pod-to-pod traffic is unencryptedCVE-2024-25631 · CiliumMedium
- Cilium: IPsec-eligible traffic matching L7 policy is sent unencryptedCVE-2024-28249 · CiliumMedium
This entry is curated: imported from vendor advisories with machine assistance, not yet individually verified. Confirm against your vendor's advisory before acting, and report anything wrong.