{"id":"CVE-2024-28250","state":"PUBLISHED","title":"Cilium has possible unencrypted traffic between nodes when using WireGuard and L7 policies","description":"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.14.0 and prior to versions 1.14.8 and 1.15.2, In Cilium clusters with WireGuard enabled and traffic matching Layer 7 policies Wireguard-eligible traffic that is sent between a node's Envoy proxy and pods on other nodes is sent unencrypted and Wireguard-eligible traffic that is sent between a node's DNS proxy and pods on other nodes is sent unencrypted. This issue has been resolved in Cilium 1.14.8 and 1.15.2 in in native routing mode (`routingMode=native`) and in Cilium 1.14.4 in tunneling mode (`routingMode=tunnel`). Not that in tunneling mode, `encryption.wireguard.encapsulate` must be set to `true`. There is no known workaround for this issue.","publishedAt":"2024-03-18T21:42:21.689Z","updatedAt":"2024-08-02T00:48:49.605Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["cilium cilium"],"affected":[{"vendor":"cilium","product":"cilium","versions":[{"version":">= 1.14.0, < 1.14.8","status":"affected"},{"version":">= 1.15.0, < 1.15.2","status":"affected"}]}],"references":["https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6","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"],"weaknesses":["CWE-311"],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/28xxx/CVE-2024-28250.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-28250","state":"PUBLISHED","datePublished":"2024-03-18T21:42:21.689Z","dateUpdated":"2024-08-02T00:48:49.605Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-03-07T14:33:30.036Z"},"containers":{"cna":{"title":"Cilium has possible unencrypted traffic between nodes when using WireGuard and L7 policies","descriptions":[{"lang":"en","value":"Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Starting in version 1.14.0 and prior to versions 1.14.8 and 1.15.2, In Cilium clusters with WireGuard enabled and traffic matching Layer 7 policies Wireguard-eligible traffic that is sent between a node's Envoy proxy and pods on other nodes is sent unencrypted and Wireguard-eligible traffic that is sent between a node's DNS proxy and pods on other nodes is sent unencrypted. This issue has been resolved in Cilium 1.14.8 and 1.15.2 in in native routing mode (`routingMode=native`) and in Cilium 1.14.4 in tunneling mode (`routingMode=tunnel`). Not that in tunneling mode, `encryption.wireguard.encapsulate` must be set to `true`. There is no known workaround for this issue."}],"affected":[{"vendor":"cilium","product":"cilium","versions":[{"version":">= 1.14.0, < 1.14.8","status":"affected"},{"version":">= 1.15.0, < 1.15.2","status":"affected"}]}],"references":[{"url":"https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6","name":"https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.13.13","name":"https://github.com/cilium/cilium/releases/tag/v1.13.13","tags":["x_refsource_MISC"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.14.8","name":"https://github.com/cilium/cilium/releases/tag/v1.14.8","tags":["x_refsource_MISC"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.15.2","name":"https://github.com/cilium/cilium/releases/tag/v1.15.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"ADJACENT_NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-311","lang":"en","description":"CWE-311: Missing Encryption of Sensitive Data","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-03-18T21:42:21.689Z"},"source":{"advisory":"GHSA-v6q2-4qr3-5cw6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2024-28250","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-19T14:36:42.524251Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T18:03:15.198Z"}},{"title":"CVE Program Container","references":[{"url":"https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6","name":"https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.13.13","name":"https://github.com/cilium/cilium/releases/tag/v1.13.13","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.14.8","name":"https://github.com/cilium/cilium/releases/tag/v1.14.8","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/cilium/cilium/releases/tag/v1.15.2","name":"https://github.com/cilium/cilium/releases/tag/v1.15.2","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T00:48:49.605Z"}}]}}}