CVE-2023-38180
Published: August 9, 2023
Official Description
Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS).
CISA KEV Advisory
Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS).
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Risk Analysis
This vulnerability in Microsoft .NET Core and Visual Studio allows an attacker to cause a denial-of-service, making affected systems unavailable. The high severity and inclusion in CISA's KEV catalog indicate confirmed exploitation, making this an urgent concern despite a low EPSS score.
Active exploitation of this vulnerability has been observed in the wild. Given the nature of a DoS attack, it is likely remotely exploitable.
System administrators should apply the latest security updates for Microsoft .NET Core and Visual Studio to address this vulnerability.
Technical Analysis
CVE-2023-38180 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2023-38180 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (2)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-38180 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1