CVE-2023-21538
Description
.NET Denial of Service Vulnerability
No summary for this CVE yet.
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:NConfidentialityNone
I:NIntegrityNone
A:HAvailabilityHigh
Weaknesses
Affected Products
NuGet
package-ecosystem
Microsoft Corp
commercial·USaka microsoft, microsoft corporation
fedoraproject
oss-project·USaka fedora project
Fedora Project
oss-project·USaka fedora
Novell Inc.
commercial·US
and 6 more affected products View all →
Exploitability
Official Patch Available
Attack Graph
Products CVE Techniques Tactics
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
3 techniques Execution
Initial Access
References
https://github.com/dotnet/runtime/security/advisories/GHSA-8f7f-vqg5-jrv9
github.com
https://nvd.nist.gov/vuln/detail/CVE-2023-21538
nvd.nist.gov
https://github.com/dotnet/runtime
github.com
and 8 more references View all →
News mentions
Could not load news mentions.
Unlock Complete Vulnerability Intelligence
Get the full picture for CVE-2023-21538 and every CVE in our database. Create a free account — no credit card required.
Create Free AccountPlain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows
