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TI-2020-15670 Aliases CVE-2020-25653GHSA-5v7v-8wfp-pqqp

Race condition in spice-vdagent

Priority LOW 28CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

A race condition vulnerability was found in the way the spice-vdagentd daemon handled new client connections. This flaw may allow an unprivileged local guest user to become the active agent for spice-vdagentd, possibly resulting in a denial of service or information leakage from the host. 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.

Why it matters now

EPSS 0.0033 26th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—spice-vdagentspice-vdagent versions 0.20 and prior—No fix listedCNA
  • spice-vdagent Vendor— Affected spice-vdagent versions 0.20 and prior Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:spice-space:spice-vdagent:*:*:*:*:*:*:*:*up to 0.20.0VulnerableSpice-space
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*32VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*33VulnerableFedoraproject
  • cpe:2.3:a:spice-space:spice-vdagent:*:*:*:*:*:*:*:* Versions up to 0.20.0 Vulnerable ·Spice-space
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Versions 32 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* Versions 33 Vulnerable ·Fedoraproject

Remediation

Red Hat 1 advisory

  • RHSA-2021:1791 Released 2021-05-18 · Red Hat rating Moderate
    spice-vdagent security and bug fix update
    • Red Hat Enterprise Linux AppStream (v. 8) spice-vdagent-0.20.0-3.el8

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    spice-vdagent — FEDORA-2021-510977db25

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2020-15668 Race condition in spice-vdagentPriority LOW 28
    • TI-2020-15669 Resource allocation without limits in spice-vdagentPriority LOW 25
    • TI-2020-15667 Resource allocation without limits in spice-vdagentPriority LOW 25
    Show all 4 records → Advisory →
  • Advisory ·

    spice-vdagent — FEDORA-2021-09ce0cdfac

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2020-15668 Race condition in spice-vdagentPriority LOW 28
    • TI-2020-15669 Resource allocation without limits in spice-vdagentPriority LOW 25
    • TI-2020-15667 Resource allocation without limits in spice-vdagentPriority LOW 25
    Show all 4 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2021:1791

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-25653
  2. 2026-10-03 Alias added: GHSA-5v7v-8wfp-pqqp

References

Exploit 1

Patch 1

Advisory 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences