CVE-2021-34501
En bref
- Sévérité
- HIGH 7.8
- EPSS
- EPSS 51.67 % · centile 99 (2026-10-27)
- État
- PUBLISHED
- Publiée
- Mise à jour
- Attribuée par
- microsoft
- Statut NVD
- Modified
Description
Microsoft Excel Remote Code Execution Vulnerability
Scores
| Version | Score | Vecteur | Évalué par |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C | microsoft |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · secure@microsoft.com (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Secondary) |
| CVSS 2.0 | MEDIUM 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P | NVD · nvd@nist.gov (Primary) |
Références européennes
- ENISA EUVD · EUVD-2021-21155
- GCVE · GCVE-0-2021-34501
Avis du CERT-FR
- CERTFR-2021-AVI-522 — Multiples vulnérabilités dans les produits Microsoft · cert.ssi.gouv.fr
- CERTFR-2021-AVI-519 — Multiples vulnérabilités dans Microsoft Office · cert.ssi.gouv.fr
Configurations affectées (CPE NVD)
cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*cpe:2.3:a:microsoft:office:2019:*:*:*:*:-:*:*cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
Produits affectés
| Produit | Versions |
|---|---|
| Microsoft · Microsoft 365 Apps for Enterprise | affected 16.0.1 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Excel 2013 Service Pack 1 | affected 15.0.0.0 < 15.0.5363.1000 |
| Microsoft · Microsoft Excel 2016 | affected 16.0.0.0 < 16.0.5188.100 |
| Microsoft · Microsoft Office 2019 | affected 19.0.0 < https://aka.ms/OfficeSecurityReleases |
| Microsoft · Microsoft Office 2019 for Mac | affected 16.0.0 < 16.51.210711.01 |
| Microsoft · Microsoft Office Online Server | affected 16.0.1 < 16.0.10376.20001 |
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34501
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34501
- https://www.zerodayinitiative.com/advisories/ZDI-21-969/
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 |