CVE-2020-25652

MediumCVSS 5.5/10Last modified Jun 17, 2026

Description

A flaw was found in the spice-vdagentd daemon, where it did not properly handle client connections that can be established via the UNIX domain socket in `/run/spice-vdagentd/spice-vdagent-sock`. Any unprivileged local guest user could use this flaw to prevent legitimate agents from connecting to the spice-vdagentd daemon, resulting in a denial of service. The highest threat from this vulnerability is to system availability. This flaw affects spice-vdagent versions 0.20 and prior.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-770

Affected software

Vendor	Product	Versions
n/a	spice-vdagent	spice-vdagent versions 0.20 and prior

References

https://bugzilla.redhat.com/show_bug.cgi?id=1886366Issue 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=1886366Issue 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
NVD status: Modified

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