Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Prior to versions 1.13.13, 1.14.8, and 1.15.2, in Cilium clusters with IPsec enabled and traffic matching Layer 7 policies, IPsec-eligible traffic between a node's Envoy proxy and pods on other nodes is sent unencrypted and IPsec-eligible traffic between a node's DNS proxy and pods on other nodes is sent unencrypted. This issue has been resolved in Cilium 1.15.2, 1.14.8, and 1.13.13. There is no known workaround for this issue.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| github.com/cilium/cilium(Go) | 0 | 1.13.13 | N/A |
| github.com/cilium/cilium(Go) | 1.14.0 | 1.14.8 | N/A |
| github.com/cilium/cilium(Go) | 1.15.0 | 1.15.2 | N/A |
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