CVE-2025-9708
MEDIUM EPSS 20.5%
Published Sep 16, 20259mo ago · Modified Jun 17, 20261w ago
6.8 CVSS 3.1
Published Sep 16, 2025 9mo ago
Last Modified Jun 17, 2026 1w ago
Description
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity High
Availability None
Threat Intelligence
EPSS Exploit Probability
20.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-295
References 3
- openwall.com http://www.openwall.com/lists/oss-security/2025/09/16/1
- github.com https://github.com/kubernetes/kubernetes/issues/134063
- groups.google.com https://groups.google.com/g/kubernetes-security-announce/c/rLopt2Msvbw/m/rK6XeNw2CgAJ
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.