CVE-2021-40456
En bref
- Sévérité
- MEDIUM 5.3
- EPSS
- EPSS 2.34 % · centile 84 (2026-10-28)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Modified
Description
Windows AD FS Security Feature Bypass Vulnerability
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | MEDIUM 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | HIGH 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | NVD · nvd@nist.gov (Secondary) |
| CVSS 2.0 | MEDIUM 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N | NVD · nvd@nist.gov (Primary) |
Faiblesses (CWE)
Références européennes
- ENISA EUVD · EUVD-2021-27633
- GCVE · GCVE-0-2021-40456
Avis du CERT-FR
- CERTFR-2021-AVI-782 — Multiples vulnérabilités dans Microsoft Windows · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:o:microsoft:windows_server:20h2:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · Windows Server 2019 | affected 10.0.0 < 10.0.17763.2237 |
| Microsoft · Windows Server 2019 (Server Core installation) | affected 10.0.0 < 10.0.17763.2237 |
| Microsoft · Windows Server 2022 | affected 10.0.0 < 10.0.20348.288 |
| Microsoft · Windows Server version 2004 | affected 10.0.0 < 10.0.19041.1288 |
| Microsoft · Windows Server version 20H2 | affected 10.0.0 < 10.0.19042.1288 |
Références
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 |