CVE-2024-21409
HIGHCVSS 7.3/10EPSS 2.51%
Last modified
CVE-2024-21409 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability. EPSS estimates a 2.51% chance of exploitation in the next 30 days.
Description
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | .Net Framework | 3.5 |
| Microsoft | .Net Framework | 4.8.1 |
| Microsoft | .Net | >= 6.0.0, < 6.0.29 |
| Microsoft | .Net | >= 7.0.0, < 7.0.18 |
| Microsoft | .Net | >= 8.0.0, < 8.0.4 |
| Microsoft | Powershell | >= 7.2, < 7.2.19 |
| Microsoft | Powershell | >= 7.3, < 7.3.12 |
| Microsoft | Powershell | >= 7.4, < 7.4.2 |
| Microsoft | Visual Studio 2022 | >= 17.4.0, < 17.4.18 |
| Microsoft | Visual Studio 2022 | >= 17.6.0, < 17.6.14 |
| Microsoft | Visual Studio 2022 | >= 17.8.0, < 17.8.9 |
| Microsoft | Visual Studio 2022 | >= 17.9.0, < 17.9.6 |
| Microsoft | .Net Framework | 4.7.2 |
| Microsoft | .Net Framework | 4.8 |
| Microsoft | .Net Framework | 4.6.2 |
| Microsoft | .Net Framework | 4.7 |
| Microsoft | .Net Framework | 4.7.1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2024-21409?
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
How severe is CVE-2024-21409?
CVE-2024-21409 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.51% probability of exploitation in the next 30 days.
How do I fix CVE-2024-21409?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2024-21409?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST