CVE-2023-21722
MEDIUMCVSS 5/10EPSS 0.92%
Last modified
CVE-2023-21722 is a medium-severity vulnerability rated 5/10 on the CVSS scale. .NET Framework Denial of Service Vulnerability. EPSS estimates a 0.92% chance of exploitation in the next 30 days.
Description
.NET Framework Denial of Service Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Microsoft | .Net Framework | 3.5 | — |
| Microsoft | .Net Framework | 4.7.2 | — |
| Microsoft | .Net Framework | 4.8 | — |
| Microsoft | .Net Framework | 4.8.1 | — |
| Microsoft | .Net Framework | 3.5.1 | — |
| Microsoft | .Net Framework | 3.0 | Sp2 |
| Microsoft | .Net Framework | 2.0 | Sp2 |
| Microsoft | .Net Framework | 4.6.2 | — |
| Microsoft | .Net Framework | 4.7 | — |
| Microsoft | .Net Framework | 4.7.1 | — |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722Patch, Vendor Advisory
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-21722?
.NET Framework Denial of Service Vulnerability
How severe is CVE-2023-21722?
CVE-2023-21722 has a CVSS score of 5/10 (MEDIUM severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.
How do I fix CVE-2023-21722?
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-2023-21722?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST