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CVE-2020-25652

MEDIUM
5.5
CVSS Score
Published: November 26, 2020 at 01:28 AM UTC
Updated: June 17, 2026 at 03:07 AM UTC
3 products affected across 3 vendorsDebian LinuxFedoraSpice Vdagent

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (5)

x_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1886366
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2021/01/msg00012.html
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GQT56LATVTB2DJOVVJOKQVMVUXYCT2VB/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OIWJ2EIQXWEA2VDBODEATHAT37X4CREP/
x_refsource_MISCExploitMailing ListThird Party Advisory
Source: [email protected]
https://www.openwall.com/lists/oss-security/2020/11/04/1

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-770

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