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Vulnerability DatabaseCVE-2025-30399
CVE-2025-30399:
C# vulnerability analysis and mitigation
Overview
CVE-2025-30399 is a remote code execution vulnerability affecting .NET and Visual Studio. The vulnerability was discovered and disclosed on June 12, 2025, impacting .NET 8.0 and 9.0 systems. The vulnerability stems from an untrusted search path that allows an unauthorized attacker to execute code over a network (NVD, Red Hat).
Technical details
The vulnerability is classified with a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H. The technical nature of the vulnerability involves an untrusted search path weakness (CWE-426) that could be exploited over a network connection (NVD).
Impact
The vulnerability allows unauthorized attackers to execute malicious code remotely over a network, potentially compromising the confidentiality, integrity, and availability of affected systems (Red Hat).
Mitigation and workarounds
Red Hat has released security updates to address this vulnerability, including .NET SDK 8.0.117 and .NET Runtime 8.0.17. Users are advised to update their systems with the latest security patches (Red Hat).
Additional resources
Source: This report was generated using AI
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