CVE-2025-32793

MEDIUM EPSS 2.0%
Published Apr 21, 20251y ago · Modified Jun 17, 20261w ago
4.0 CVSS 3.1
Medium
Find Similar
Published Apr 21, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
4.0
Exploitability
2.2
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Low
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
2.0% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 2

CWE-319
CWE-362

Affected Products 3

VendorProductVersionRange
ciliumcilium*≥1.13.0  –  <1.15.16
ciliumcilium*≥1.16.0  –  <1.16.9
ciliumcilium*≥1.17.0  –  <1.17.3

References 2

  • github.com https://github.com/cilium/cilium/pull/38592
    Patch
  • github.com https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4
    PatchThird Party Advisory

Remediation

  • github.com https://github.com/cilium/cilium/pull/38592
    Patch
  • github.com https://github.com/cilium/cilium/security/advisories/GHSA-5vxx-c285-pcq4
    PatchThird Party Advisory