CVE-2024-28249

low-risk
Published 2024-03-18

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.

Do I need to act?

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0.30% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
ADJACENT_NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Cilium

References (8)

Release Notes https://github.com/cilium/cilium/releases/tag/v1.13.13
Release Notes https://github.com/cilium/cilium/releases/tag/v1.14.8
Release Notes https://github.com/cilium/cilium/releases/tag/v1.15.2
Vendor Advisory https://github.com/cilium/cilium/security/advisories/GHSA-j89h-qrvr-xc36
Release Notes https://github.com/cilium/cilium/releases/tag/v1.13.13
Release Notes https://github.com/cilium/cilium/releases/tag/v1.14.8
Release Notes https://github.com/cilium/cilium/releases/tag/v1.15.2
Vendor Advisory https://github.com/cilium/cilium/security/advisories/GHSA-j89h-qrvr-xc36
22
/ 100
low-risk
Severity 16/34 · Moderate
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal