Actively exploited · CISA KEV
Actively exploitedCVE-2021-27065
- First PoC
- 1743 days →Metasploit
- 304 days →First cited attacker
Signals
- Exploited in the wild
- Yesadded 2021-11-03 · due 2022-05-03 · known ransomware use. An observation, not a forecast.
- EPSS · 30-day forecast
- 99.9%Chance of exploitation in the next 30 days, 100th percentile of all CVEs. A forecast; KEV outranks it.
- CVSS · NVD
- not stated by sourcesNo NVD record yet.
- Internet exposure
- not stated by sourcesNo exposure census on this CVE's dispatches.
Exploits
2 known · links onlyMetasploit1
This module exploit a vulnerability on Microsoft Exchange Server that allows an attacker bypassing the authentication, impersonating as the admin (CVE-2021-26855) and write arbitrary file (CVE-2021-27065) to get the RCE (Remote Code Execution). By taking advantage of this vulnerability, you can execute arbitrary commands on the remote Microsoft Exchange Server. This vulnerability affects (Exchange 2013 Versions < 15.00.1497.012,
ruby · seen 2026-10-18
Exploit-DB1
created 2021-03-11
On the wire
0 dispatchesNo dispatch on our wire has named this CVE yet.
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