ProxyShell file write via Exchange — part of three-CVE chain (CVE-2021-34473 + CVE-2021-34523 + CVE-2021-31207) enabling unauthenticated remote code execution on Exchange. Patch Exchange and detect webshells in OWA application directories.
Microsoft Exchange Server Security Feature Bypass Vulnerability allowing attackers to write a file to any path on the server. Part of the ProxyLogon/ProxyShell family.
Supernova subscribers receive AI-triaged CVE alerts the moment they're published — before the PoC drops.
Start Supernova — $99/mo →