Microsoft .NET Framework Remote Code Execution Vulnerability

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.

Indice de priorité CheckOps

9,3/10 Corriger sous 24 h

Gravité9,8

Probabilité9,9

Exploitation4/5

Gravité = CVSS. Probabilité = EPSS (FIRST). Exploitation = signaux publics : KEV, EUVD, rançongiciel, EPSS au-dessus de 10 %, accès sans compte.

EPSS · aujourd’hui 99,2 % plus haute que 99,9 % des CVE

CVSS 3.1 9,8 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:

Exploitée depuis 1 826 jours 03/11/2021

Échéance CISA 03/05/2022 pour les agences fédérales américaines

Probabilité d’exploitation EPSS · FIRST

Probabilité EPSS (%)Percentile parmi toutes les CVE

Signaux d’exploitation 4 / 5

Catalogue KEV (CISA)03/11/2021
EUVD exploitée (ENISA)03/11/2021
Utilisée par des rançongicielsnon
EPSS au-dessus de 10 %99,2 %
Sans compte, par le réseauoui

Que faire

Corriger

Appliquer le correctif de l’éditeur dès qu’il est disponible.

Consigne de la CISA : Apply updates per vendor instructions.

En attendant

Retirer le service d’internet ou en filtrer l’accès, surveiller les journaux et chercher des traces de compromission.

Éditeurs (CRA)

Faille exploitée dans votre produit : alerte précoce à l’ENISA sous 24 h, puis notification sous 72 h (article 14 du Cyber Resilience Act). Le CRA expliqué

Produits touchés

Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based SystemsMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit SystemsMicrosoft .NET Framework 4.5.2Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit SystemsMicrosoft .NET Framework 3.5.1Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based SystemsMicrosoft .NET Framework 3.5Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based SystemsMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation)Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based SystemsMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based SystemsMicrosoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based SystemsMicrosoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based SystemsMicrosoft .NET Framework 4.6Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based SystemsMicrosoft .NET Framework 4.8 on Windows Server 2012 R2Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based SystemsMicrosoft .NET Framework 3.0Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation)Microsoft .NET Framework 4.8 on Windows Server 2016Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019Microsoft .NET Framework 4.8 on Windows RT 8.1Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation)Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based SystemsMicrosoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systemsMicrosoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based SystemsMicrosoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit SystemsMicrosoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation)Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation)Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systemsMicrosoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation)Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit SystemsMicrosoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation)Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation)Microsoft .NET Framework 4.8 on Windows Server 2012Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation)Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit SystemsMicrosoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems.NET Framework

Versions touchées

Windows 7 for x64-based Systems Service Pack 1
unspecified
Windows RT 8.1
Windows Server 2012 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows 7 for 32-bit Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows 10 Version 1607 for 32-bit Systems
Windows 8.1 for x64-based systems
Windows Server 2012
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2012 R2

Faiblesses (CWE)

CWE-91

Paquets open source OSV

Bibliothèques touchées selon OSV, avec les versions corrigées.

Chronologie

14/01/2020
Publication
03/11/2021
Exploitation signalée (ENISA)
03/11/2021
Ajout au catalogue KEV
03/05/2022
Échéance de correction CISA
26/09/2026
EPSS au plus haut : 99,2 %

Références

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