CVE-2021-1721
.NET Core and Visual Studio Denial of Service Vulnerability
MEDIUM
6.5
CVSS Score
Published: February 25, 2021 at 11:01 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
5 products affected across 1 vendor.netVisual Studio 2019Visual Studio 2017
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Severity
MEDIUM6.5
Exploit prediction
EPSS 3%
SSVC
No known exploit
Description
.NET Core and Visual Studio Denial of Service Vulnerability
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1721SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
6.5MEDIUMmicrosoft
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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