CVSS 3.1 Score 6.1 of 10 (medium)


Published Mar 18, 2024
Updated: Mar 19, 2024
CWE ID 311


CVE-2024-28250 is a vulnerability that affects Cilium, a networking, observability, and security solution with an eBPF-based dataplane. The vulnerability exists in versions 1.14.0 and prior to 1.14.8 and 1.15.2 of Cilium in clusters with WireGuard enabled and traffic matching Layer 7 policies. In these conditions, Wireguard-eligible traffic sent between a node's Envoy proxy and pods on other nodes, as well as between a node's DNS proxy and pods on other nodes, is sent unencrypted. The issue has been resolved in Cilium 1.14.8 and 1.15.2 in native routing mode and in Cilium 1.14.4 in tunneling mode with the encryption.wireguard.encapsulate set to true. No known workaround is available for this vulnerability, which has a base severity of MEDIUM and high confidentiality impact according to the CVSS:3.1 vector string provided by rating source.

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