CVE-2023-21803

En bref

Sévérité: CRITICAL 9.8
EPSS: EPSS 1.76 % · centile 78 (2026-10-27)
État: PUBLISHED
Publiée: 2023-02-14
Mise à jour: 2026-08-19
Attribuée par: microsoft
Statut NVD: Modified

Description

Windows iSCSI Discovery Service Remote Code Execution Vulnerability

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C	microsoft
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · secure@microsoft.com (Secondary)

Faiblesses (CWE)

CWE-190

Références européennes

ENISA EUVD · EUVD-2023-25970
GCVE · GCVE-0-2023-21803

Avis du CERT-FR

CERTFR-2023-AVI-0130 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:microsoft:windows_10:*:*:*:*:*:*:x86:* < 10.0.10240.19747
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.5717
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.4010
cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:x86:* < 10.0.19042.2604
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.2604
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.2604
cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:x86:*

Produits affectés

Produit	Versions
Microsoft · Windows 10 Version 1507	affected 10.0.10240.0 < 10.0.10240.19747
Microsoft · Windows 10 Version 1607	affected 10.0.14393.0 < 10.0.14393.5717
Microsoft · Windows 10 Version 1809	affected 10.0.17763.0 < 10.0.17763.4010
Microsoft · Windows 10 Version 20H2	affected 10.0.0 < 10.0.19042.2604
Microsoft · Windows 10 Version 21H2	affected 10.0.19043.0 < 10.0.19044.2604
Microsoft · Windows 10 Version 22H2	affected 10.0.19045.0 < 10.0.19045.2604
Microsoft · Windows Server 2008 Service Pack 2	affected 6.0.6003.0 < 6.0.6003.21915
Microsoft · Windows Server 2008 Service Pack 2 (Server Core installation)	affected 6.0.6003.0 < 6.0.6003.21915

Références

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21803

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