CVE-2022-21986
.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
-
*SSVC
Descriptions
.NET Denial of Service Vulnerability
Una Vulnerabilidad de Denegación de Servicio en .NET
A vulnerability was found in dotnet’s ASP.NET Core Krestel when pooling HTTP/2 and HTTP/3 headers. This flaw allows a remote, unauthenticated attacker 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:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-12-16 CVE Reserved
- 2022-02-09 CVE Published
- 2024-08-03 CVE Updated
- 2024-10-25 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21986 | 2023-06-29 | |
| https://access.redhat.com/security/cve/CVE-2022-21986 | 2022-02-09 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2051490 | 2022-02-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Microsoft Search vendor "Microsoft" | .net Search vendor "Microsoft" for product ".net" | >= 5.0 < 5.0.14 Search vendor "Microsoft" for product ".net" and version " >= 5.0 < 5.0.14" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | .net Search vendor "Microsoft" for product ".net" | >= 6.0.0 < 6.0.2 Search vendor "Microsoft" for product ".net" and version " >= 6.0.0 < 6.0.2" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2019 Search vendor "Microsoft" for product "Visual Studio 2019" | >= 8.10 < 8.10.18 Search vendor "Microsoft" for product "Visual Studio 2019" and version " >= 8.10 < 8.10.18" | macos |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2019 Search vendor "Microsoft" for product "Visual Studio 2019" | >= 16.0 <= 16.11 Search vendor "Microsoft" for product "Visual Studio 2019" and version " >= 16.0 <= 16.11" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Visual Studio 2022 Search vendor "Microsoft" for product "Visual Studio 2022" | >= 17.0 < 17.0.6 Search vendor "Microsoft" for product "Visual Studio 2022" and version " >= 17.0 < 17.0.6" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 34 Search vendor "Fedoraproject" for product "Fedora" and version "34" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
| ||||||