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CVE-2021-34473CRITICAL · 9.1Long-tailCISA KEV
Microsoft · Exchange Server
Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution.
Disclosed
2021-07-14
1791 days ago
Still scanned
4 years later
ongoing background-scan activity
7-day events
0
across 0 distinct IPs
7-day spread
0 ASN · 0 cty
0 active days
In-the-wild assessment
Some activity observed but below the in-the-wild threshold. Last 7 days: 0/5 IPs, 0/3 ASNs, 0/3 countries, 0/2 active days. Likely a researcher PoC or single campaign rather than wide exploitation.
Daily events · last 365 days
2025-06-11peak 10 · total 422026-06-10
Top ASNs
No events captured yet.
Top countries
No events captured yet.