CVE-2021-42321 — Microsoft Exchange Server Remote Code Execution Vulnerability
2021-11-17 • CISA Known Exploited Vulnerability
[event] An authenticated attacker could leverage improper validation in cmdlet arguments within Microsoft Exchange and perform remote code execution.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Exchange |
| CWE | CWE-184, CWE-502 |
| CVE ID | CVE-2021-42321 |
| Date Added | 2021-11-17 |
| Due Date | 2021-12-01 |
| Ransomware Campaign | Known — this vulnerability has been leveraged in ransomware campaigns |
> MITIGATION
Apply updates per vendor instructions.
Due Date: 2021-12-01