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CVE-2024-25630

Cilium has unencrypted ingress/health traffic when using Wireguard transparent encryption

6.1 MediumFix available

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
High
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.18%Up 0.1 points since Feb 21, 2024
90%50%10%1%

What each source reports

CVE List Score used 6.1

Cilium has unencrypted ingress/health traffic when using Wireguard transparent encryption

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
CVE-2024-25630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-311
Updated
2026-11-02
EUVDEUVD-2024-0547 6.1

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
EUVD-2024-0547
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-7496-fgv9-xw82 6.1

Unencrypted ingress/health traffic when using Wireguard transparent encryption

Impact

For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, responses from pods to the Ingress and health endpoints are not encrypted. Traffic from the Ingress and health endpoints to pods is not affected by this issue. The health endpoint is only used for Cilium's internal health checks.

Patches

This issue affects Cilium v1.14 before v1.14.7.

This issue has been patched in Cilium v1.14.7.

Workarounds

There is no workaround to this issue - affected users are encouraged to upgrade.

Acknowledgements

The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @gandro for their work on triaging and remediating this issue.

For more information

If you have any questions or comments about this advisory, please reach out on Slack.

If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [email protected]. This is a private mailing list where only members of the Cilium internal security team are subscribed to, and your report will be treated as top priority.

Record
GHSA-7496-fgv9-xw82
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-311, CWE-319
Updated
2026-11-02
NVD 6.1

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
CVE-2024-25630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-311, CWE-319
Updated
2026-11-02
OSV 6.1

Cilium has unencrypted ingress/health traffic when using Wireguard transparent encryption

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
CVE-2024-25630
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-311
Updated
2026-11-02
OSVGHSA-7496-fgv9-xw82 6.1

Unencrypted ingress/health traffic when using Wireguard transparent encryption

Impact

For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, responses from pods to the Ingress and health endpoints are not encrypted. Traffic from the Ingress and health endpoints to pods is not affected by this issue. The health endpoint is only used for Cilium's internal health checks.

Patches

This issue affects Cilium v1.14 before v1.14.7.

This issue has been patched in Cilium v1.14.7.

Workarounds

There is no workaround to this issue - affected users are encouraged to upgrade.

Acknowledgements

The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @gandro for their work on triaging and remediating this issue.

For more information

If you have any questions or comments about this advisory, please reach out on Slack.

If you think you have found a vulnerability affecting Cilium, we strongly encourage you to report it to our security mailing list at [email protected]. This is a private mailing list where only members of the Cilium internal security team are subscribed to, and your report will be treated as top priority.

Record
GHSA-7496-fgv9-xw82
CVSS 3.1
6.1 MediumCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness
CWE-311, CWE-319
Updated
2026-11-02
Show 8 moreShow less
OSVBIT-cilium-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-cilium-2024-25630
Updated
2026-11-02
OSVBIT-cilium-operator-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-cilium-operator-2024-25630
Updated
2026-11-02
OSVBIT-cilium-proxy-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-cilium-proxy-2024-25630
Updated
2026-11-02
OSVBIT-hubble-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-hubble-2024-25630
Updated
2026-11-02
OSVBIT-hubble-relay-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-hubble-relay-2024-25630
Updated
2026-11-02
OSVBIT-hubble-ui-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-hubble-ui-2024-25630
Updated
2026-11-02
OSVBIT-hubble-ui-backend-2024-25630 No score

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who are using CRDs to store Cilium state (the default configuration) and Wireguard transparent encryption, traffic to/from the Ingress and health endpoints 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.

Record
BIT-hubble-ui-backend-2024-25630
Updated
2026-11-02
OSVGO-2024-2568 No score

Unencrypted ingress/health traffic when using Wireguard transparent encryption in github.com/cilium/cilium

Unencrypted ingress/health traffic when using Wireguard transparent encryption in github.com/cilium/cilium

Record
GO-2024-2568
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/cilium/cilium
Go
1.14.0 up to 1.14.7
1.14.7
cilium
Bitnami
1.14.0 up to 1.14.7
1.14.7
cilium-operator
Bitnami
1.14.0 up to 1.14.7
1.14.7
cilium-proxy
Bitnami
1.14.0 up to 1.14.7
1.14.7
hubble
Bitnami
1.14.0 up to 1.14.7
1.14.7
hubble-relay
Bitnami
1.14.0 up to 1.14.7
1.14.7
hubble-ui
Bitnami
1.14.0 up to 1.14.7
1.14.7
hubble-ui-backend
Bitnami
1.14.0 up to 1.14.7
1.14.7

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-25630 is a medium vulnerability (CVSS 6.1) in Cilium, published February 20, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.18%, the 8th percentile. Fixed in github.com/cilium/cilium 1.14.7.

References

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