CVE-2024-28249

Cilium has possible unencrypted traffic between nodes when using IPsec and L7 policies

Published Mar 18, 2024 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-0947 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.
Github GHSA Github GHSA GHSA-j89h-qrvr-xc36 Unencrypted traffic between nodes when using IPsec and L7 policies
History
Type Values Removed Values Added
First Time appeared Cilium
Cilium cilium
Weaknesses CWE-319
CPEs cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*
Vendors & Products Cilium
Cilium cilium
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 2, 2024, 12:48 AM
Reserved
Mar 7, 2024, 2:33 PM
Status
Analyzed
Published
Mar 18, 2024, 10:15 PM
Modified
Jun 17, 2026, 7:21 AM