Veille CVE
CVE-2021-42321
8.8 Élevée Exploitée activement Utilisée par des rançongicielsCatalogue CISA KEV — Microsoft Exchange Server Remote Code Execution Vulnerability
Ajoutée le 17/11/2021 · Échéance de correction (agences US) : 01/12/2021
Action requise : Apply updates per vendor instructions.
Description
Microsoft Exchange Server Remote Code Execution Vulnerability
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 8.8 Élevée | secure@microsoft.com | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 3.1 | 8.8 Élevée | nvd@nist.gov | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | 6.5 Moyenne | nvd@nist.gov (NVD) | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Références
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-42321 PatchVendor Advisory
- http://packetstormsecurity.com/files/166153/Microsoft-Exchange-Server-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/168131/Microsoft-Exchange-Server-ChainedSerializationBinder-Remote-Code-Execution.html ExploitThird Party AdvisoryVDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-42321 PatchVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-42321 US Government Resource