CVE-2020-25651

Name: CVE-2020-25651
Creator: NVD / NIST
Published: 2020-11-26T02:15:11.743+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.4/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2020-25651 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or in parts in the client connection of an illegitimate local user in the VM system. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

A flaw was found in the SPICE file transfer protocol. File data from the host system can end up in full or in parts in the client connection of an illegitimate 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 data confidentiality as well as system availability. This flaw affects spice-vdagent versions 0.20 and prior.

Metrics

CVSS 3.1

6.4/10

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

EPSS Probability

0.29%

20.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Spice-Space	Spice-Vdagent	<= 0.20.0
Debian	Debian Linux	9.0
Fedoraproject	Fedora	32
Fedoraproject	Fedora	33

References

https://bugzilla.redhat.com/show_bug.cgi?id=1886359Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
https://www.openwall.com/lists/oss-security/2020/11/04/1Exploit, Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1886359Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
https://www.openwall.com/lists/oss-security/2020/11/04/1Exploit, Mailing List, Third Party Advisory

Timeline

Published: Nov 26, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25651?

How severe is CVE-2020-25651?

CVE-2020-25651 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25651?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25651?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST