How severe is CVE-2024-28249?

CVE-2024-28249 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2024-28249 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-28249?

CVE-2024-28249 affects Cilium. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-28249?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-28249 have an EU (EUVD) identifier?

Yes. CVE-2024-28249 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0947.

When was CVE-2024-28249 published?

CVE-2024-28249 was published on 2024-03-18 and last updated on 2026-06-17.

CVE-2024-28249

CVE-2024-28249 is a medium-severity vulnerability in Cilium with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-319.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-0947
Weakness: CWE-319
Affected product: Cilium
Published: 2024-03-18
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2024-28249?: 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.
How severe is CVE-2024-28249?: CVE-2024-28249 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2024-28249 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-28249?: CVE-2024-28249 affects Cilium. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-28249?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-28249 have an EU (EUVD) identifier?: Yes. CVE-2024-28249 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0947.
When was CVE-2024-28249 published?: CVE-2024-28249 was published on 2024-03-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cilium:cilium:*:*:*:*:*:*:*:*

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