CVE-2021-1723

ASP.NET Core and Visual Studio Denial of Service Vulnerability

HIGH
7.5
CVSS Score
Published: January 12, 2021 at 07:42 PM UTC
Updated: June 17, 2026 at 03:32 AM UTC
3 products affected across 2 vendorsFedoraVisual Studio 2019ASP.NET Core

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Severity
HIGH7.5
Exploit prediction
EPSS 5%
SSVC
No known exploit

Description

ASP.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.

3.0 ≤ v < publication3.1 ≤ v ≤ 3.1.105.0 ≤ v ≤ 5.0.15.0 ≤ v < publication3.03.15.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement
16.0 ≤ v ≤ 16.816.0 ≤ v < publication16.0.0 ≤ v < publication16.016.0.0
Affected range stops below publication, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHmicrosoft
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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