CVE-2021-37595

9.8 criticalEPSS 1.5%

Critical (9.8) in freerdp freerdp. EPSS 1.5% 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_RANGE File Contents Request PDU.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 1.5% chance of exploitation in the next 30 days; higher than 74% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-07-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

freerdp:freerdp

References

https://github.com/FreeRDP/FreeRDP/commit/0d79670a28c0ab049af08613621aa0c267f977e9
https://github.com/FreeRDP/FreeRDP/compare/2.3.2...2.4.0
https://github.com/FreeRDP/FreeRDP/commit/0d79670a28c0ab049af08613621aa0c267f977e9
https://github.com/FreeRDP/FreeRDP/compare/2.3.2...2.4.0

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