CVE-2023-21538
.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
Attend
*SSVC
Descriptions
.NET Denial of Service Vulnerability
Vulnerabilidad de denegación de servicio de .NET
A vulnerability was found in dotnet. This flaw occurs when parsing an empty HTTP response as a JSON.NET JObject that causes a stack overflow and crashes a process.
*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
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-12-01 CVE Reserved
- 2023-01-10 CVE Published
- 2024-08-02 CVE Updated
- 2024-11-12 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-121: Stack-based Buffer Overflow
- CWE-502: Deserialization of Untrusted Data
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21538 | 2024-05-29 | |
| https://access.redhat.com/security/cve/CVE-2023-21538 | 2023-01-11 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2158342 | 2023-01-11 |
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" | 6.0.0 Search vendor "Microsoft" for product ".net" and version "6.0.0" | - |
Affected
| ||||||
| Microsoft Search vendor "Microsoft" | Powershell Search vendor "Microsoft" for product "Powershell" | 7.2 Search vendor "Microsoft" for product "Powershell" and version "7.2" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 36 Search vendor "Fedoraproject" for product "Fedora" and version "36" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 37 Search vendor "Fedoraproject" for product "Fedora" and version "37" | - |
Affected
| ||||||