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CVE-2020-25651

spice-vdagent: possible file transfer DoS and information leak via active_xfers hash map

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Severity

Moderate

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · November 3, 2020

Updated · June 27, 2026

Description

A flaw was found in the SPICE file transfer protocol. File data from the host system can partially or fully end up in the client connection of an unauthorized local user in the VM system. Active file transfers from other users could also be interrupted, resulting in a denial of service. The highest threat from this vulnerability is to confidentiality as well as system availability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.4
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L

CWE-639 · Authorization Bypass Through User-Controlled Key