CVE-2021-37594: Freerdp

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

In FreeRDP before 2.4.0 on Windows, wf_cliprdr_server_file_contents_request in client/Windows/wf_cliprdr.c has missing input checks for a FILECONTENTS_SIZE File Contents Request PDU.

Affected products

• Freerdp Freerdp: before 2.4.0 (fixed in 2.4.0)

Published 2021-07-30. Last modified 2026-06-17.