CVE-2025-32793
Last modified
CVE-2025-32793 is a medium-severity vulnerability rated 4/10 on the CVSS scale. Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2, are vulnerable when using Wireguard transparent encryption in a Cilium cluster, packets that originate from a terminating endpoint can leave the source node without encryption due to a race condition in how traffic is processed by Cilium. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. Versions 1.15.0 to 1.15.15, 1.16.0 to 1.16.8, and 1.17.0 to 1.17.2, are vulnerable when using Wireguard transparent encryption in a Cilium cluster, packets that originate from a terminating endpoint can leave the source node without encryption due to a race condition in how traffic is processed by Cilium. This issue has been patched in versions 1.15.16, 1.16.9, and 1.17.3. There are no workarounds available for this issue.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cilium | Cilium | >= 1.13.0, < 1.15.16 |
| Cilium | Cilium | >= 1.16.0, < 1.16.9 |
| Cilium | Cilium | >= 1.17.0, < 1.17.3 |
References
- https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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