CVE-2021-42321

KEV · Ransomware

Microsoft Exchange Server Remote Code Execution Vulnerability

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Vendor / Project: Microsoft
Product: Exchange
Date added: Nov 17, 2021
Due date: Dec 1, 2021
Known ransomware use: Known
CWEs: CWE-184, CWE-502

Description

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

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-42321