All vulnerabilities

Servers and applications

CVE-2023-38180

.NET and Visual Studio Denial of Service Vulnerability

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 9 Aug 2023.

Severity
High 7.5
Published
8 Aug 2023
Last changed
10 Aug 2026
Added to UpHeron
22 Oct 2026
Fixed in
2.1.40, 6.0.21, 7.0.10
Sources
NVD

Affected software

SoftwareAffected versions
.NETServers and applications · cpe:a:microsoft:.net
  • From 6.0.0 before 6.0.21
  • From 7.0.0 before 7.0.10
.NETServers and applications · cpe:a:microsoft:asp.net_core
  • From 2.1 before 2.1.40

Known exploited

CISA name
Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Due for US agencies
30 Aug 2023
Used in ransomware
Not known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-38180
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-38180