🛡 CVE-2022-41082
Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server CWE-502
Ransomware use
KNOWN
CISA KEV
EPSS
100.0%
Likely exploited · 100th pct
Added to KEV
2022-09-30
CISA
Remediate by
2022-10-21
⚠ OVERDUE
CWE
CWE-502
weakness
📈 EPSS exploit probability
100.0%
FIRST EPSS — 30-day probability of exploitation in the wild · band Likely exploited · higher than 100% of all scored CVEs
⚠ KEV remediation overdue
CISA required federal remediation by 2022-10-21. This exploited vulnerability is past its Binding Operational Directive 22-01 due date — prioritize patch/mitigation and hunt for exploitation.
📄 Description
Microsoft Exchange Server contains an unspecified vulnerability that allows for authenticated remote code execution. Dubbed "ProxyNotShell," this vulnerability is chainable with CVE-2022-41040 which allows for the remote code execution.
🏹 Attributed exploitation
Malware / ransomware (KEV): ProxyNotShell — Play, ransomware
Threat actors (KEV): multiple ransomware
Actor pivots: 🏹 multiple ransomware
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🔄 Internal pivots & actions
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