CVE-2021-34523 — Microsoft Exchange Server Privilege Escalation Vulnerability
2021-11-03 • CISA Known Exploited Vulnerability
[event] Microsoft Exchange Server contains an unspecified vulnerability that allows for privilege escalation.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Exchange Server |
| CWE | CWE-287 |
| CVE ID | CVE-2021-34523 |
| Date Added | 2021-11-03 |
| Due Date | 2021-11-17 |
| Ransomware Campaign | Known — this vulnerability has been leveraged in ransomware campaigns |
> MITIGATION
Apply updates per vendor instructions.
Due Date: 2021-11-17