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CVE-2024-25631

Unencrypted traffic between pods when using Wireguard and an external kvstore

MEDIUM
5.3
CVSS Score
Published: February 20, 2024 at 06:08 PM UTC
Updated: June 17, 2026 at 07:16 AM UTC
1 product affected across 1 vendorCilium

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who have enabled an external kvstore and Wireguard transparent encryption, traffic between pods in the affected cluster is not encrypted. This issue affects Cilium v1.14 before v1.14.7 and has been patched in Cilium v1.14.7. There is no workaround to this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Cilium· Cilium
95%
v < 1.14.71.14.0 ≤ v < 1.14.7
Affected range stops below 1.14.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (4)

x_refsource_MISCProduct
Source: [email protected]
https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstore
x_refsource_MISCProduct
Source: [email protected]
https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg
x_refsource_MISCRelease Notes
Source: [email protected]
https://github.com/cilium/cilium/releases/tag/v1.14.7
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/cilium/cilium/security/advisories/GHSA-x989-52fc-4vr4

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-311CWE-319

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