Home/CVE/Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who use Gate
CVE

CVE-2025-30162

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who use Gate

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who use Gateway API for Ingress for some services and use LB-IPAM or BGP for LB Service implementation and use network policies to block egress traffic from workloads in a namespace to workloads in other namespaces, egress traffic from workloads covered by such network policies to LoadBalancers configured by Gateway resources will incorrectly be allowed. LoadBalancer resources not deployed via a Gateway API configuration are not affected by this issue.

This issue affects: Cilium v1.15 between v1.15.0 and v1.15.14 inclusive, v1.16 between v1.16.0 and v1.16.7 inclusive, and v1.17 between v1.17.0 and v1.17.1 inclusive. This issue is fixed in Cilium v1.15.15, v1.16.8, and v1.17.2. A Clusterwide Cilium Network Policy can be used to work around this issue for users who are unable to upgrade.

LOW · CVSS 3.2 EPSS 0.0001
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-863Incorrect Authorization
▤

Affected Products & Versions

3
cilium>= 1.15.0 and < 1.15.15
cilium>= 1.16.0 and < 1.16.8
cilium>= 1.17.0 and < 1.17.2
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go github.com/cilium/cilium LOW fixed in 1.16.8
▣

Scoring & Timeline

3.2
LOW · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Mar 2025 · 07:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

1
suse-csafopenSUSE-SU-2025:14937-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://docs.cilium.io/en/stable/network/lb-ipamProduct
https://github.com/cilium/cilium/security/advisories/GHSA-24qp-4xx8-3jvjMitigationPatchThird Party Advisory
https://github.com/cilium/proxy/pull/1172Patch
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