CVE-2018-20753
Kaseya VSA Remote Code Execution Vulnerability
Kaseya · Virtual System/Server Administrator (VSA)
Vulnerability details
Kaseya VSA RMM allows unprivileged remote attackers to execute PowerShell payloads on all managed devices.
Added to CISA KEV: 2022-04-13
Ransomware campaign use: Known
CISA due date: 2022-05-04
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC