CVE report
CVE-2021-34473criticalKEV
Exchange Server - Remote Code Execution
Events 7d
13
Distinct IPs
11
Severity
critical
CISA KEV
Actively exploited
Daily probe volume (last 7 days)
peak: 7Downloads & integrations
Top sources probing for CVE-2021-34473
- 101.36.125.583 eventsHong Kongยท UCLOUD INFORMATION TECHNOLOGY HK LIMITED
- 20.80.72.2041 eventsUnited States
- 20.65.194.1211 eventsUnited States
- 20.65.193.2541 eventsUnited States
- 128.203.200.2161 eventsUnited States
- 20.65.194.1031 eventsUnited States
- 20.65.138.971 eventsUnited States
- 20.15.164.1651 eventsUnited States
- 20.65.193.1081 eventsUnited States
- 20.221.68.1591 eventsUnited States
- 20.118.216.531 eventsUnited States
URL patterns we match
An event counts toward CVE-2021-34473 if its URL path contains any of these substrings (case-insensitive).
- ยท /autodiscover/autodiscover.json