CVE-2021-1721

Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)

MEDIUM 6.5

En bref

Source: NVD
EPSS: EPSS 3.34 % · centile 89 (2026-10-28)
État: PUBLISHED
Publiée: 2021-02-25 23:01 UTC
Mise à jour: 2026-05-28 19:30 UTC
Attribuée par: microsoft
Statut NVD: Modified

Description

.NET Core and Visual Studio Denial of Service Vulnerability

Références

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

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C	microsoft
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	NVD · secure@microsoft.com (Secondary)
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Secondary)
CVSS 2.0	MEDIUM 4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P	NVD · nvd@nist.gov (Primary)

Avis

GHSA-3gp9-h8hw-pxpw — Denial of service in .NET core

Références européennes

ENISA EUVD · EUVD-2022-2181
GCVE · GCVE-0-2021-1721

Avis du CERT-FR

CERTFR-2021-AVI-107 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
CERTFR-2021-AVI-106 — Multiples vulnérabilités dans Microsoft .Net · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* ≥ 5.0 ≤ 5.0.2
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* ≥ 2.1 ≤ 2.1.24
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* ≥ 3.1 ≤ 3.1.11
cpe:2.3:a:microsoft:powershell_core:7.0:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershell_core:7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:* ≥ 15.0 ≤ 15.9
cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:* ≥ 16.0 ≤ 16.8

Produits affectés

Produit	Versions
Microsoft · Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)	affected 16.0.0 < publication
Microsoft · PowerShell Core 7.1	affected 7.1.0 < publication
Microsoft · PowerShell Core 7.0	affected 7.0.0 < publication
Microsoft · .NET Core 2.1	affected 2.1 < publication
Microsoft · .NET Core 3.1	affected 3.1 < publication
Microsoft · .NET 5.0	affected 5.0.0 < publication
Microsoft · Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)	affected 16.0 < publication
Microsoft · Microsoft Visual Studio 2019 version 16.8	affected 16.0 < publication
Microsoft · Microsoft Visual Studio 2017 version 15.9 (includes 15.0 - 15.8)	affected 15.9.0 < publication

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD