Synced 18 Jun 2026 05:58 UTC Account
← All products

CVE-2021-1721

MEDIUM severity · CVSS 6.5
6.5CVSS MEDIUM

Summary

.NET Core and Visual Studio Denial of Service Vulnerability

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)3%

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1721 ↗