CISA Known Exploited Vulnerability
This vulnerability is actively exploited in the wild and listed in the CISA Known Exploited Vulnerabilities catalog.
Remediation Deadline: Dec 1, 2021
High
CISA KEVRansomwareCVE-2021-42321
Microsoft—Exchange
An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
Required Action
https://nvd.nist.gov/vuln/detail/CVE-2021-42321
Vulnerability Overview
- Severity
- High
- CISA KEV
- Yes
- Ransomware
- Known
- Published
- Nov 17, 2021
- KEV Added
- Nov 17, 2021
- Due Date
- Dec 1, 2021
- Related Articles
- 0
Vendor
Microsoft
Exchange