8.8

CVE-2021-42321

Warnung
Exploit

Microsoft Exchange Server Remote Code Execution Vulnerability

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
MicrosoftExchange Server Version2016 Updatecumulative_update_21
MicrosoftExchange Server Version2016 Updatecumulative_update_22
MicrosoftExchange Server Version2019 Updatecumulative_update_10
MicrosoftExchange Server Version2019 Updatecumulative_update_11

17.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Microsoft Exchange Server Remote Code Execution Vulnerability

Schwachstelle

An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.

Beschreibung

Apply updates per vendor instructions.

Erforderliche Maßnahmen
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 93.29% 0.998
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
nvd@nist.gov 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
secure@microsoft.com 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H