Scanner for CVE-2021-34473, ProxyShell, A Microsoft Exchange On-premise Vulnerability
# CVE-2021-34473-scanner
Scanner for CVE-2021-34473, ProxyShell, A Microsoft Exchange On-premise Vulnerability
To test machines one by one, use scanner-CVE-2021-34473.bat:
scanner-CVE-2021-34473.bat mail.exemple.fr
To test multiple machines at once, use mass-scanner and add ip/FQDN to check, one by line, in servers-to-check.txt:
mass-scanner-CVE-2021-34473.bat
Remediation depending on Exchange version:
Exchange 2019 CU10
Download
15.2.922.13
KB5004780
https://www.microsoft.com/en-us/download/details.aspx?id=103309
Exchange 2019 CU9
Download
15.2.858.15
KB5004780
https://www.microsoft.com/en-us/download/details.aspx?id=103308
Exchange 2016 CU21
Download
15.1.2308.14
KB5004779
https://www.microsoft.com/en-us/download/details.aspx?id=103310
Exchange 2016 CU20
Download
15.1.2242.12
KB5004779
https://www.microsoft.com/en-us/download/details.aspx?id=103310
Exchange 2013 CU23
Download
15.0.1497.23
KB5004778
https://www.microsoft.com/en-us/download/details.aspx?id=103312
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