Microsoft Windows Server 2008 R2 Service Pack 1

CVE-2021-33786

HIGH 8.1

En bref

Source: NVD
EPSS: EPSS 2.11 % · centile 82 (2026-10-29)
État: PUBLISHED
Publiée: 2021-07-14 17:53 UTC
Mise à jour: 2026-08-10 15:11 UTC
Attribuée par: microsoft
Statut NVD: Modified

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Description

Windows LSA Security Feature Bypass Vulnerability

Références

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C	microsoft
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N	NVD · secure@microsoft.com (Secondary)
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Secondary)
CVSS 2.0	MEDIUM 6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P	NVD · nvd@nist.gov (Primary)

Références européennes

ENISA EUVD · EUVD-2021-20463
GCVE · GCVE-0-2021-33786

Avis du CERT-FR

CERTFR-2021-AVI-520 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:20h2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:2004:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Produits affectés

Produit	Versions
Microsoft · Windows Server 2008 R2 Service Pack 1	affected 6.1.7601.0 < 6.1.7601.25661
Microsoft · Windows Server 2008 R2 Service Pack 1 (Server Core installation)	affected 6.1.7601.0 < 6.1.7601.25661
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21167
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)	affected 6.0.6003.0 < 6.0.6003.21167
Microsoft · Windows Server 2012	affected 6.2.9200.0 < 6.2.9200.23409
Microsoft · Windows Server 2012 (Server Core installation)	affected 6.2.9200.0 < 6.2.9200.23409
Microsoft · Windows Server 2012 R2	affected 6.3.9600.0 < 6.3.9600.20069
Microsoft · Windows Server 2012 R2 (Server Core installation)	affected 6.3.9600.0 < 6.3.9600.20069
Microsoft · Windows Server 2016	affected 10.0.14393.0 < 10.0.14393.4530
Microsoft · Windows Server 2016 (Server Core installation)	affected 10.0.14393.0 < 10.0.14393.4530
Microsoft · Windows Server 2019	affected 10.0.17763.0 < 10.0.17763.2061
Microsoft · Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 < 10.0.17763.2061
Microsoft · Windows Server version 2004	affected 10.0.0 < 10.0.19041.1110
Microsoft · Windows Server version 20H2	affected 10.0.0 < 10.0.19042.1110

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