CVE-2024-21386
.NET Denial of Service Vulnerability
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
.NET Denial of Service Vulnerability
Vulnerabilidad de denegación de servicio de .NET
A denial of service vulnerability is present in the .NET applications utilizing SignalR, which a malicious client can exploit. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input.
Brennan Conroy discovered that .NET with SignalR did not properly handle malicious clients. An attacker could possibly use this issue to cause a denial of service. Bahaa Naamneh discovered that .NET with OpenSSL support did not properly parse X509 certificates. An attacker could possibly use this issue to cause a denial of service.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-12-08 CVE Reserved
- 2024-02-13 CVE Published
- 2024-12-31 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21386 | 2024-05-29 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2024-21386 | 2024-05-23 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2263085 | 2024-05-23 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | Asp.net Core Search vendor "Microsoft" for product "Asp.net Core" | >= 6.0.0 < 6.0.27 Search vendor "Microsoft" for product "Asp.net Core" and version " >= 6.0.0 < 6.0.27" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Asp.net Core Search vendor "Microsoft" for product "Asp.net Core" | >= 7.0.0 < 7.0.16 Search vendor "Microsoft" for product "Asp.net Core" and version " >= 7.0.0 < 7.0.16" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Asp.net Core Search vendor "Microsoft" for product "Asp.net Core" | >= 8.0.0 < 8.0.2 Search vendor "Microsoft" for product "Asp.net Core" and version " >= 8.0.0 < 8.0.2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2022 Search vendor "Microsoft" for product "Visual Studio 2022" | >= 17.4.0 < 17.4.16 Search vendor "Microsoft" for product "Visual Studio 2022" and version " >= 17.4.0 < 17.4.16" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2022 Search vendor "Microsoft" for product "Visual Studio 2022" | >= 17.6.0 < 17.6.12 Search vendor "Microsoft" for product "Visual Studio 2022" and version " >= 17.6.0 < 17.6.12" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2022 Search vendor "Microsoft" for product "Visual Studio 2022" | >= 17.8.0 < 17.8.7 Search vendor "Microsoft" for product "Visual Studio 2022" and version " >= 17.8.0 < 17.8.7" | - |
Affected
| ||||||