CVE-2024-42487

low-risk
Published 2024-08-15

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In the 1.15 branch prior to 1.15.8 and the 1.16 branch prior to 1.16.1, Gateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched. This could result in unexpected behaviour with security This issue is fixed in Cilium v1.15.8 and v1.16.1. There is no workaround for this issue.

Do I need to act?

~
1.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10 Medium
NETWORK / HIGH complexity

Affected Products (2)

Affected Vendors

Cilium

References (3)

Patch https://github.com/cilium/cilium/commit/a3510fe4a92305822aa1a5e08cb6d6c873c8699a
Patch https://github.com/cilium/cilium/pull/34109
Vendor Advisory https://github.com/cilium/cilium/security/advisories/GHSA-qcm3-7879-xcww
25
/ 100
low-risk
Severity 13/34 · Low
Exploitability 5/34 · Minimal
Exposure 7/34 · Low