New LockFile ransomware gang uses ProxyShell and PetitPotam exploits
Security Affairs
AUGUST 21, 2021
The three vulnerabilities used in ProxyShell attacks are: CVE-2021-34473 – Pre-auth Path Confusion leads to ACL Bypass (Patched in April by KB5001779 ) CVE-2021-34523 – Elevation of Privilege on Exchange PowerShell Backend (Patched in April by KB5001779 ) CVE-2021-31207 – Post-auth Arbitrary-File-Write leads to RCE (Patched in May by KB5003435 ).
136 
Let's personalize your content