CVE-2021-34523
Microsoft Exchange Server Privilege Escalation Vulnerability
9.0
CVSS 3.1
100.0 %
EPSS (current)
2021-11-03
KEV addition
Yes
Ransomware
Timeline
Publication, first public exploit and KEV addition on a day axis.
Key facts
Vendor / product: Microsoft / Exchange Server
Published: 2021-07-14 · Due (CISA): 2021-11-17
CWE: – · EU list: no
Exploit references (metadata only)
| Source | Reference | Title | Date |
|---|---|---|---|
| metasploit | exploit/windows/http/exchange_proxyshell_rce | exploit/windows/http/exchange_proxyshell_rce | 2021-04-06 |
References only — no downloads or instructions.