CVE-2025-9708 (GCVE-0-2025-9708)

Vulnerability from cvelistv5 – Published: 2025-09-16 21:08 – Updated: 2025-11-04 21:15
VLAI
Title
Kubernetes C# Client: improper certificate validation in custom CA mode may lead to man-in-the-middle attacks
Summary
A vulnerability exists in the Kubernetes C# client where the certificate validation logic accepts properly constructed certificates from any Certificate Authority (CA) without properly verifying the trust chain. This flaw allows a malicious actor to present a forged certificate and potentially intercept or manipulate communication with the Kubernetes API server, leading to possible man-in-the-middle attacks and API impersonation.
Severity
6.8 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-17 13:42 UTC
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
kubernetes CNA under the mitre root
CNA scorecard – unranked: 2 records in the last 180 days, 10 needed details
References
Impacted products
Vendor Product Version CPE status
Kubernetes Kubernetes CSharp Client Affected: 0 , ≤ 17.0.13 (semver)
Unaffected: 17.0.14
guessed Create a notification for this product.
Date Public
2025-09-16 02:30
Credits
elliott-beach
Show details on NVD website
To clipboard 

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