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CVE-2025-32793 (GCVE-0-2025-32793)

Vulnerability from cvelistv5 – Published: 2025-04-21 15:34 – Updated: 2025-04-21 15:48
VLAI
Title
Cilium packets from terminating endpoints may not be encrypted in Wireguard-enabled clusters
Summary
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.
Severity
4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 15:48 UTC
CWE
  • CWE-319 - Cleartext Transmission of Sensitive Information
Assigner
References
Impacted products
Vendor Product Version CPE status
cilium cilium Affected: >= v1.13.0, < v1.15.16
Affected: >= v1.16.0, < v1.16.9
Affected: >= v1.17.0, < v1.17.3
guessed Create a notification for this product.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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